EurekaMag PDF full texts Chapter 14,621

Terpo, A. 1964: Problems concerning the species concept in cultivated plants I. Kertesz. szolesz. Foiskol. Kozl 28(2): 47-62

Mandoul, R.; Pestre-Alexandre, M.; Nicolas, J. 1965: Problems concerning the transmission of toxoplasmosis in sheep. Bull. Soc. Path. exot 58: 428-432

Churakov, V. 1968: Problems concerning the use of rural labour resources. Probl. Econ., White Plains, N.Y 11(4): 26-34

Biggers, J.D. 1969: Problems concerning the uterine causes of embryonic death, with special reference to the effects of ageing of the uterus. Journal of Reproduction and Fertility. Supplement 8: Suppl 8: 27+

Dricot, C. 1964: Problems concerning tractors within the European framework. Rapports 16e Assemblee Generale Confederation Europeenne de l'Agriculture. Montreux (Suisse) 28 sept.-2 oct. Brougg : CEA, 1964. 134-52

Popluhar, L.; Rosival, F.; Jezek, Z.; Hebelka, M. 1966: Problems concerning tuberculosis in sows. Vet. Med, Praha 11: 485-496

Koros, L., M. 1969: Problems concerning varietal maintenance and seed production in gynecious cucumber. Agrartud. Kozl 28: 487-94

Majstrenko, I.W. 1967: Problems confronting Soviet agriculture in 1967/68. Bull. Inst. Stud. USSR, Munich 14(7): 29-34

Huttebrauker, R. 1966: Problems confronting the (EEC) markets for fruit and vegetables and inedible horticultural preducts. Ber. Landw 44(1): 1-18

Watmough, W. 1965: Problems confronting the budgerigar breeder. J. small Anim. Pract 6: 7-10

Kooistra, E. 1964: Problems connected with breeding for resistance to Phaseolus virus 1 in beans. Jubileumuitgave ter gelegenheid van het Vijfen-twintigjarig Bestaan der Peulvruchten Studie Combinatie, 56-59

Schmid, H. 1964: Problems connected with building development near forest borders. Schweiz. Z. Forstw 115(3): 107-22

Hofman, M. 1965: Problems connected with collection and treatment of samples in grassland and fodder-crop investigations. 1. Soil contamination during sampling as related to yield determination. Revue Agric., Brux 18(7-8): 789-804

Frandsen, K.J. 1969: Problems connected with progeny test and selection of cross-fertilizers. Sverig. Utsadesforen. Tidskr 79: 61-68

Rao, S.B.P. 1965: Problems connected with the commercial production of hybrid seeds. Poona Agricultural College Magazine 55: 36-37

Saxegaard, F. 1966: Problems connected with the diagnosis of subclinical infection with infectious pustular vulvovaginitis virus (IPV virus) in bulls. Nord. VetMed 18: 452-459

Hassall, K. 1966: Problems connected with the use of crop protection chemicals. Sci Hort 18: 103-115

Weinschenck, G. 1964: Problems dealing with quantitative supply analysis of agricultural markets. Z. gesamte Staatswiss. (Tubingen), 2, 264-295

Hayes, J.D.; Catherall, P.L.; Jones, A.T. 1971: Problems encountered in developing BYDV tolerant European cultivars of barley. Barley genetics II. Proceedings of Second International Barley Genetics Symposium. Washington State University, Pulman 1971. 493-99

Bracha, P. 1964: Problems Encountered in Southern Nigeria in the Determination of Ventilation in Mud Huts in Which Residual Fumigants Are Applied. Bulletin of the World Health Organization 30: 285-291

Yazell, D.H. 1964: Problems encountered on railroad rights-of-way. Proc 20th N. cent. Weed Control Conf, 40-1

Anonymous 1968: Problems entailed in soil and water conservation in the area of Rio Tercero. Idia, 248, 1-44

Kabysh, S. 1968: Problems faced by Soviet agriculture. Stud. Soviet Union, Munich 7(3): 27-35

Anonymous 1971: Problems facing agricultural producers, extension workers, consultants, and their clients. Fm Mgmt, Melbourne 7(2): 4-20

Zigas, V.; Rodrigue, R. 1972: Problems facing malaria eradication program in the Territory of Papua and New Guinea. Tropical and Geographical Medicine 24(1): 95-99

Anonymous 1968: Problems facing the milk powder industry. A seminar conducted by the Victorian Division, 29.4.68. Aust. J. Dairy Technol 23(3): 139-42

Anon. 1969: Problems for the development of dairy farms in Korea. Agric. Coop. mon. Surv. Seoul 3: 12-27

Iwakawa, O. 1971: Problems for the mechanized forest labour based on human engineering. J. Jap. For. Soc 53(12): 405-16

Anonymous 1969: Problems generally encountered by the advisory services of the OECD countries. (Documn Agric. Fd No. 90.). Agricultural Advisory Services. Development in OECD member countries. Paris : OECD., 53-80

Ebenbauer, F. 1970: Problems in Austrian cattle breeding. Tierzuchter 22: 611-612

Tutino, A. 1965: Problems in S. Italy: how to check emigration. Econ. Credito, Palermo. 5(1): 108-34

Overby, A.J. 1970: Problems in acid production in milk and their causes. Svenska Mejeritidn 62(2): 27-28; 30; 32-34

Petrasovits, L. 1968: Problems in adopting 5-year education for the training of agricultural engineers. F' elsookiatasi Szle, Budapest., Budapest 17(9): 533-5

Powell, A.A.; Gruen, F.H. 1966: Problems in aggregate agricultural supply analysis: I-The construction of time series for analysis. Rev. Mktg agric. Econ, Sydney 34(4): 112-35

Powell, A.A.; Gruen, F.H. 1966: Problems in aggregate agricultural supply analysis: II-preliminary results for cereals and wool. Rev. Mktg agric. Econ, Sydney 34(4): 186-201

Listowski, A. 1966: Problems in agricultural science. Nauka Polska. Warszawa 2: 1-18

Bonadonna, T. 1971: Problems in agriculture and animal production in El Salvador. Cootec. Vet 26: 54-61

Fiebeg, W. 1970: Problems in appraising and utilizing poor land. Ruch Prawniczy Ekon. Socjologiczny, Poznan 1: 247-63

Bleak, A.T.; Frischknecht, N.C.; Plummer, A.P.; Eckert, R.E. 1965: Problems in artificial and natural revegetation of the arid shadscale vegetation zone of Utah and Nevada. J Range Manage 18(2): 59-65

Siddique, I.H. 1965: Problems in Assaying Antibiotic Combinations in Milk and Serum. Indian Veterinary Journal 42: 310-312

Longworth, J.F.; Are, L.A.; Freeman, G.H. 1965: Problems in assessment of the response of Cacao progenies (Theobroma cacao L.) to infection with swollen shoot virus in Nigeria. Nigerian agric. J 2(1): 1-6

Heursel, J. 1967: Problems in azalea breeding. Rev. Agric, Brux., 20: 575-85

Najdenova, P. 1965: Problems in balanced development of agriculture within a region. Ikon. Misal, Sofija, Sofija 10(2): 59-73

Kenneth, R.; Atzmon, Y.; Khair, J.; Koltin, Y.; Wahl, I. 1967: Problems in breeding barley resistant to net blotch disease in Israel. Summaries of lectures delivered at the First Israel Congress of Plant Pathology, 16-17 January, 1967. 46-47

Schmidt, H. 1970: Problems in breeding for apomictic apple rootstocks. Proceedings of the Angers fruit breeding symposium, Angers, France 14-18 September, 1970. 269-283

Barocka, K.H. 1968: Problems in breeding for disease resistance in Beta. Report of the meeting of the working party of the principal seed producers in connexion with the Association of Austrian Seed Producers, held in Gumpenstein 3-5 1968, 1968. 130-46

Csizmazia, J. 1968: Problems in breeding for resistance to P. viticola and V. vitifolii in grapevine. Magyar tud. Akad. Agrartud. Oszt. Kozl. 27: 549-57

Howard, R.W.; Jahnstone, R.; Russell, C.E.; Wolfe, M.S. 1969: Problems in breeding for resistance to diseases and pests. Annual report of the Plant Breeding Institute, Cambridge, 1969. 6-36

Mikhov, A. 1971: Problems in breeding garden peas. Gradinarstvo 13(2): 6-9

Negovskij, N.A. 1967: Problems in breeding polyploid monocarpic sugar beets in the USSR. Tagungsber. dtsch. Akad. Landw-Wiss, Berlin, 89; Pt. 1, 91-108

Handazko, P.S. 1965: Problems in breeding potato for blight resistance under the conditions of the Volga-Ahtuba floodplain. Trud. Volgograd, opyt. Sta. vses. nauc.-issled. Inst. Rasten. (Trans. Volgograd exp. Sta. All-Un. sci.-res. Inst. Pl. Industr, 1966. 4, 499-502

Mooi, J.C. 1969: Problems in breeding potato for resistance to (Ph. infestans). Zaad-belangen 23: 172-75

Wang, C.-L. 1964: Problems in breeding soya bean for high yield and suitability for mechanized harvesting. Chung-Kuo Nung Yeh Ko-Hsueh (Chin. Agric. Sci.). 6, 17-22

Hutton, E.M.; Guerassimoff, J. 1966: Problems in breeding the legume Indigofera spicata for tropical pastures. Euphytica Neth J Plant Breeding 15(3): 353-361

Hogenboom, N.G. 1966: Problems in breeding tomato for resistance to corky root. Zaadbelangen 20: 117-18

Bronnimann, A. 1968: Problems in breeding wheat for Septoria tolerance. Report of the meeting of the working party of the principal seed producers in connexion with the Association of Austrian Seed Producers, held in Gumpenstein 3-5 1968, 1968. 87-104

Lupton, F.G.H. 1968: Problems in breeding wheats with improved grain quality. Symposium on home-grown wheat usage, Milling, London., 50: 44-46

Marius, C.; Turenne, J.F. 1968: Problems in characterizing and classifying soils formed on recent marine alluvium in Guyana, Surinam and French Guiana. Cah. Pedol. ORSTOM 6: 151-201

Nerstein, S. 1968: Problems in choosing. Tidsskr. Skogbr 76(4): 321-40

D'souza, G.I. 1965: Problems in coffee nematology in South India. Indian Caff 29(7): 22-23

Fadeeva, T.S.; Irkaeva, N.M. 1971: Problems in comparative plant genetics. VII. On methods of analysing the genetic basis of analogous variability. Genetika 7(6): 39-53

Henzell, E.F. 1970: Problems in comparing the nitrogen economies of legume-based and nitrogen-fertilized pasture systems. Proc. llth int. Grassld Congr., Surfers Paradise, 1970. A112-A120

Bergman, B.H.H. 1968: Problems in connection with the occurrence and control of Fusarium oxysporum in tulips. Meded. Dir. Tuinb 31: 274-7

Mihnovskii, D.K. 1966: Problems in creating semicoarse-wooled sheep in the Carpathians. Ovtsevodstvo 12(5): 19-21

Kauman, W.G.; Mittak, G. 1964: Problems in drying Chilean Coigue. For. Prod. J 14(8): 359-60

Urban, I.; Moss, R.L.; Cross, B.A. 1971: Problems in electrical stimulation of afferent pathways for oxytocin release. Journal of Endocrinology 51(2): 347-358

Smith, C.J. 1966: Problems in establishing dry-land pastures in Rhodesia. J. br. Grassld Soc 21: 238-244

Wynn, R.F. 1969: Problems in establishing priorities as between alternative irrigation projects (with reference to prospects for the further development of the Nile Waters in the Sudan. (Dev. Study No. 6.). The economics of irrigation development, Reading, UK: Dep. Agric. Econ., Univ. Reading., 27-40

Ngere, L.O.; Bhattacharya, S.; Mcdowell, R.E. 1969: Problems in estimating genetic progress in Hariana cattle of India. Proc 2nd Wld Conf. Anim. Prod., College Park, Md, 311-312

Namkoong, G.; Squillace, A.E. 1970: Problems in estimating genetic variance by Shrikhande's method. Silvae Gent 19(2/3): 74-7

Johnson, L.L. 1967: Problems in evaluating Latin American development. Oxf. econ. Pap., Oxford (New Ser.) 19(2): 221-34

Namkoong, G.; Barefoot, A.C.; Hitchings, R.G. 1967: Problems in evaluating control of wood characteristics through breeding. Proceedings, Tappi Fourth Forest Biology Conference. 131-142

Talwar, R.K. 1970: Problems in expansion of banking in rural areas. St. Bank India Mon. Rev, Bombay 9(2): 39-47

Bosso, J. 1967: Problems in exploiting biometry in genetic improvement. Idia, 230, 46-48

Antonelli, E. 1967: Problems in exploiting genetic resistance to diseases. Idia, 230, 48-53

Von Der Parlen, A. 1967: Problems in exploiting the knowledge of population genetics. Idia, 230, 44-46

Goldenberg, J.B. 1967: Problems in exploiting the knowledge of quantitative inheritance. Idia, 230, 42-44

Masing, V. 1969: Problems in forest typology. Loodusuur. Seltsi Aastar., Tallinn. 59, 150-67

Voss, E.; Beyerlein, U.; Schmanke, E. 1971: Problems in fractionation of butterfat by filtration of butter granules. I. Effect of size and morphology of granules on filtrability and yield, and method for process control. Milchwissenschaft 26(10): 605-613

Wilson, J.A. 1968: Problems in hybrid wheat breeding. (Cereals improvement: hybrid varieties and aspects of culm shortening.). Euphytica 17: Suppl 1, 13-33

Albright, J.L. 1964: Problems in increasing size of the dairy herd. J Dairy Sci 47(8): 941-943

Van Logtestijn, J.G. 1969: Problems in inspection of stress susceptible slaughter pigs. Tijdschr. Diergeneesk 94: 1703-1709

Gardner, J.D.; Peskin, G.W. 1966: Problems in intestinal absorption. American Journal of the Medical Sciences 251(2): 225-235

Movinkel, H. 1964: Problems in keeping reindeer-particularly in Finnmark. Tidsskr. norske Landbr 71: 1-40

Mikolajczyk, J. 1964: Problems in lupine genetics. Genet. polon 5: 121-22

Petrulis, M. 1971: Problems in measuring economic progress. Agric. Econ. Res., Washington, D.C 23(2): 37-41

Radcliffe, J.E.; Mountier, N.S. 1964: Problems in measuring pasture composition in the field. 2. The effect of vegetation height using the point method. New Botanist 2(1): 98-105

Mountier, N.S.; Radcliffe, J.E. 1964: Problems in measuring pasture composition in the field. 3. An evaluation of point analysis, dry-weight analysis, and tiller analysis. New Zeal J Bot 2(2): 131-142

Mountier, N.S.; Radcliffe, J.E. 1965: Problems in measuring pasture composition in the field. 4. Observer variation with the point method. New Zeal J Bot 3(4): 243-252

Vogt-Rohlf, O.; Holst, F. 1966: Problems in milk recording based on monthly records for calculating performance. Tierzuchter 18: 459-461

Spencer, D.A. 1967: Problems in monitoring DDT and its metabolites in the environment. Pestic Monit J 1(2): 54-57

Dillon, G.W. 1969: Problems in orchid hybrid nomenclature. Amer.Orchid Soc. Bull 38: 672-8

Spaho, A.; Hadzimusic, Z. 1964: Problems in organising the marketing of livestock and livestock products in Bosnia and Hercegovina. Ekon. Pregled, Sarajevo 13(1/2): 67-77

Subramanian, S. 1972: Problems in pathology of Coffee. Indian Coff 36(2-3): 81-85

Freeman, G.H. 1967: Problems in plant pathology and entomology field trials. Expl Agric 3(4): 351-358

Bereiko, S.T.; Didyk, L.N. 1967: Problems in polyploid sugar-beet breeding at Belaja Cerkov' Experimental Breeding Station. Polyploidy and cytoplasmic male sterility of sugar beet, Kiev., 75-80

Mokrov, S.V. 1965: Problems in potato breeding in the southern Ukraine. Kartop. ovoc. bastan. Kul't. Mizvid. nauk. Zborn. (Pot. Veg. cucurb. Crops Interdep. Sci. Rec.). 2, 64-69

Lengyel, P. 1966: Problems in protein biosynthesis. Journal of General Physiology 49(6): 305-330

Niehaus, H. 1971: Problems in rabbit breeding. Kleintierzucht Forsch. Lehre. 19: 39

Zadoks, J.C. 1966: Problems in race identification of wheat rusts. Savremen, Poljopr, Novi Sad 14: 11-12, 299-308

Dummer, P. 1969: Problems in raising ornamental stock from seed. Proc. Pl. Propag. Soc 19: 213-215

Kolesnev, S. 1964: Problems in raising the standard of agriculture. Ekon. sel'. Hoz, Moskva 40(4): 18-23

Kahan, J. 1969: Problems in raw milk handling. Nas Chov 29(1): 9-11

Hart, M.G.R.; Carpenter, A.J.; Jeffery, J.W.O. 1965: Problems in reclaiming saline mangrove soils in Sierra Leone. Afr. Soils 10: 71-82

Broadfoot, W.M. 1969: Problems in relating soil to site index for southern hardwoods. Forest Sci 15: 354-364

Tedin, O. 1964: Problems in rye breeding.-The importance of methodological research. Sverig. Utsades-foren. Tidskr 74: 363-77

Admin, E.I.; Migaceva, N.A. 1967: Problems in selecting cows for machine milking. Zhivotnovodstvo, Mosk 29(6): 80-83

Momcilovic, V. 1966: Problems in selection of wheat strains as sources of resistance to leaf rust. Cereal Rust Conferences Proceedings of the Third European Yellow Rust Conference, First European Brown Rust Conference, Third European Colloquium on Black Rust of Cereals, Cambridge 29th June-4th July 1964, 1966. 126-32

Widra, A.; McMillen, S.; Rhodes, H.J. 1968: Problems in serodiagnosis of cryptococcosis. Mycopathologia et Mycologia Applicata 36(3): 353-358

Egri-Hecimovic, E.; Soos, E. 1969: Problems in serological diagnostics of Q-fever. Vet. Arh, 39: 187

Drift, J.Van Der. 1970: Problems in soil ecology requiring most urgent attention. "Methods of Study in Soil Ecology". Proc. UNESCO/IBP Symp. Paris, 1970. 295-300

Kirillov, J. I. 1967: Problems in sorghum biology in the semideserts of northern Priaral'e. Auyl saruasylyk Gylymyn. Habarsysy (Rec. agric. Sci.). 3, 38-42

Anonymous 1970: Problems in spring planting work on the Chinese mainland. Issues Stud, Taipei 6(8): 11-4

Gavrilov, N.V. 1967: Problems in stud work with fine-wooled sheep. Zhivot-novodstvo, Mosk. 30(1): 50-52

Muller, G. 1968: Problems in study of pathogenesis of bovine streptococcal mastitis. Hig. Mlek. Zwalcz. Schorzen Grucz. mlecz (Miedzynar. Symp.), 101-12

Matsushima, J. 1969: Problems in sulfur dioxide gas injury to citrus trees in Japan. Proc 1st int. Citrus Symp, Riverside., 2: 733-40

Oostendorp, D. 1965: Problems in summer stall-feeding practice. Veet.- en Zuivelber 8(11): 464-71

Kovalev, S.A. 1968: Problems in the Soviet geography of rural settlement. Sov. Geography, New York, Oct, 641-730

Padwick, G.W. 1968: Problems in the acceptance of modern herbicide technology in the tropics. Proc 9th Br. Weed Control Conf, 1260-4

Ueno, F. 1964: Problems in the agricultural utilization of sloping land. Rural econ. Problems, Tokyo. 1(2): 22-36

Kobabe, G. 1970: Problems in the breeding and seed production of hybrid varieties of vegetables. Saatgutwirtschaft 22: 33-34

Frank, E. 1967: Problems in the breeding of lawn grasses. Mitt. Gesellschaft Rasenforsch 2: 95-7

Kosevoi, M.A.; Allajarov, M.; Faizulin, H.G. 1964: Problems in the breeding of white Karakuls. Trudy Inst. Karalculev. Minist. Proizv. Zagotov. sel'.-khoz. Produkt. uzbek. SSR 14: 55-71

Freeman, J.A. 1968: Problems in the carriage of infested commodities in freight containers. Proc. Int. Contain. Symp, London, London Chamber of Commerce; Dock and Harbour Authorities Association and International Cargo Handling, 79-81

Bold, I. 1965: Problems in the classification of farm land. Probl. econ, Bucuresti 11: 84-95

Fossum, K. 1972: Problems in the classification of the genus Staphylococcus. Nordisk Veterinaermedicin 24(2): 91-100

Chisholm, M. 1964: Problems in the classification of the use of farming-type regions in the UK. Trans. & Pap. Inst. Br. Geogr, London., 35, 91-103

Schmutzler, W. 1968: Problems in the construction of modern woodworking machines. HolzRoh-u. Werkstoff 26(7): 237-43

Johannes, H. 1972: Problems in the control of aquatic plants. Ergebnisse der 9. Deutschen Arbeitsbesprechung uber Fragen der Unkrautbiologie und -bekampfung, Stuttgart-Hohenheim in Zeitschrift fur Pflan-zenkrankheiten (Pflanzenpathologie) und Pflanzen-schuiz, 1972. 111-20. Bibl

Brygo, E.R. 1971: Problems in the control of schistosomiasis in countries with high endemicity. Archs Inst. Pasteur Madagascar 40(1): 39-46

O'brien, T.P. 1964: Problems in the control of the bracken fern of Victoria. J Australian Inst Agr Sci 30(2): 119-127

Kado, C.I. 1965: Problems in the control of virus diseases. Orchid Dig 29(3): 106-108

Anonymous 1970: Problems in the creation of a progressive agriculture in developing countries. Probleme des Aufbaues einer progres-siven Landwirtschaft in den Entwicklungslan-dern, Leipzig, Germany: Inst. trop. Landw. Veterinarmedizin. Karl-Marx Univ., 270

Casarini, B.; Antonellini, E.; Rittore, F.; Silvestri, G. 1969: Problems in the cultivation of peas for canning in Emilia. Agronomic and phyto-pathological observations on the behaviour of some cultivars tested in 1967-8. Sementi dette 15(4): 230-48

Booth, V.H. 1971: Problems in the determination of FDNB-available lysine. Journal of the Science of Food and Agriculture 22(12): 658-666

Larpent, J.-P. 1970: Problems in the development of filamentous systems. Physiol. veg 8(3): 335-347

Janossy, A. 1965: Problems in the development of red clover cultivation. Production of initial breeding material. Diss. Tapioszele, 1-2, 368

Harzmann, L.J. 1964: Problems in the development of the forest and wood economy in the Vietnam Democratic Republic. Arch. Forstw, 13: 10, 1045-55

Groszynski, K. 1965: Problems in the development of widespread agricultural education. Wies wspolczesna, Warszawa, Warszawa, 9: 4 (98), 106-14

Kotelnikov, G.A. 1970: Problems in the diagnosis of helminthiases. Veterinariia (11): 28-30

Vasil'ev, P.V. 1970: Problems in the economic evaluation of forest resources. Lesn. Z 13(5): 119-23

Souto, S.M.; Dobereiner, J. 1970: Problems in the establishment of perennial soybean (Glycine javanica L.) in a tropical region. Proceedings of the XI International Grassland Congress held at Surfers Paradise, Queensland, Australia, 13-23 April, 1970. 127-31

Hope, J.N. 1971: Problems in the formulation of pesticides for ULV application. Bulletin, Organisation Europeenne et Mediterraneenne pour la Protection des Plantes. 2, 91-96

Kozin, N.I.; Ershova, O.A.; Sitnikova, E.N. 1965: Problems in the freezing of milk. Trudy mosk. Inst. narod. Khoz, 34, 91-97

Kalnin's, A. 1964: Problems in the further development of resin tapping. Folia for. polon. (Lesn.). 10, 5-31

Tiranti, I.; Vrdoljak, J. 1967: Problems in the genetic improvement of allopolyploid plants. Idia, 230, 17-20

Lopez-Saubidet, C. 1967: Problems in the genetic improvement of higher animals. IDIA, 230, 30-35

Barderi, C.H. 1967: Problems in the genetic improvement of perennial plants. Idia, 230, 28-30

Induni, C. 1967: Problems in the genetic improvement of plants having asexual reproduction. Idia, 230, 20-23

Berdysev, A.P. 1966: Problems in the hybridization of pea. Legumes and pulse crops, Kolos, Moscow, 47-56

Kobayashi, T. 1970: Problems in the identification of Adelopus needle-cast fungi on conifers. Transl. Dep. Fish. For. Can, OOFF-94, 17

Petrov, A.I.; Metlickii, A.V.; Fenj, I.P. 1970: Problems in the improvement of South Kazakh Merinos. Vest. sel'.-khpz. Nauki, Alma-Ata 13(9): 38-42; 116

Boyd, W.J.R. 1966: Problems in the interpretation of the inheritance of leaf rust resistance in the common wheat. J Theor Biol 13: 283-294

Foti, S. 1966: Problems in the introduction of greenhouses for growing early vegetables in Sicily. Preliminary results of studies with different types of plastic. Atti Conv. naz. Forz. Floric. Sett, off, Genova, 141-63

Tarasova, T.L. 1965: Problems in the introduction of species of the genus Eremurus M.B. Bot. Zurnal. 50: 647-54

Martens, R.; Waes, G. 1966: Problems in the manufacture of Gouda cheese from milk containing penicillin. Meded. RijksFac. Landb Wet. Gent 31(1): 133-44

Cooke, S.J. 1969: Problems in the marketing and sales promotion of existing dairy products. J. Soc. Dairy Technol, London. 23(1): 30-9

Williams, H.L.; Conrad, M.E. 1972: Problems in the measurement of iron binding capacity in serum. Clinica Chimica Acta; International Journal of Clinical Chemistry 37: 131-140

Graf, E. 1971: Problems in the mechanization of branch trimming in wood harvesting. Sozial. Forstw 21(6): 178-80, 192

Toniolo, L. 1971: Problems in the methods of using N fertilizers. Rivista di Agronomia 5(2/3): 155-164

Hussain, A. 1967: Problems in the planning of land settlement programs and their integration in the overall development plan of a country. Land policy in the Near East. Proc. Dev. Center on Ld. Policy and Settlem. for the Near East, Tripoli, Libya: 16-28 Rome: FAO., 28-37

Oostendorp, D.; Harmsen, H.E.; Wes-Tera, A. 1965: Problems in the practice of zero grazing. Publ 27 Proefstn Akker- en Weideb, 48-57

Blew, J.O., J.; Panek, E. 1964: Problems in the production of clean treated wood. Proc. Amer. Wood Pres. Ass 60: 89-97

Plomacher, H. 1971: Problems in the production of cut roses in the open. Deutsche Gartnerborse 71(20): 421-422

Mihaljev, I. 1968: Problems in the production of hybrid wheat. Savremen. Poljoprivr., Novi Sad. 16: 459-68

Kotova, G.P.; Ganina, R.G. 1966: Problems in the production of interline hybrids under the conditions of the central Chernozem Zone. Nauc. Trud. nauc.-issled. Inst. sel'sk. Hoz. cent.-cernozem. Pol. (Sci. Trans. sci.-res. Inst. Agric. cent. Chernozem Zone). 4: 174-79

Maliga, P. 1970: Problems in the production of self-fertile sour-cherry varieties. Agartudomenyi Kozlemenyek 29(3): 247-253

Groover, M.E.; Boone, L.; Houk, P.C.; Wolf, S. 1967: Problems in the quantitation of dietary surveys. JAMA 201(1): 86-88

Egorov, V.V.; Letunov, P.A.; Bonchkovsky, F.I.; Et Al. 1967: Problems in the reclamation of some saline soils in the USSR. Trans 8th int. Congr. Soil Sci 2: 903-908

Janssen, C.R. 1970: Problems in the recognition of plant communities in pollen diagrams. Vegetatio 20(1/4): 186-98

Ray, B. 1971: Problems in the recovery of salmoneuae in dried milk products. Diss.Abstr. Int. Sect. B, 32: 1; Order 71-18806, 361

Morris, R.E. 1969: Problems in the reform of land tenure. Am. J. Econ. Social, New York 28(2): 205-9

Kennedy, J. 1970: Problems in the retraining of rural labour. Adm. (J. Inst. Public Adm. Ire.), Dublin 18(1): 54-8

Voll, F. 1970: Problems in the sampling of dried milk. Dte Milchw 21: 28, 1225-28

Garibova, L.V. 1964: Problems in the selection of monosporic strains of the mushroom Agaricus bisporus (Lange) Treschow. Vestn. moskov. Univ. Biol. : Pocvoved, 2, 44-51

Miljutin, L.I. 1970: Problems in the study of hybrid populations of woody plants. Vopr. Lesovedenija. Tom l. Krasnoyarsk, 303-10

Gergely, I. 1968: Problems in the technical development of agriculture. Tarsadalmi Szle, Budapest 23(12): 45-51

Rosbaco, U.F. 1967: Problems in the use of hybrid vigour and male sterility. Idia, 230, 38-42

Murray, D.B.; Maliphant, G.K. 1967: Problems in the use of leaf and tissue analysis in cacao. Proc. Conf. int. Rech. agron. cacao, Abidjan, 36-8

Novak, I. 1971: Problems in the use of light-traps in agricultural entomology. Souhrn referatu a diskusnich prispevkuu prednesenych na seminari metody pouZivane v zemedelske entomologii, Prague, Czechoslovakia, Ceskoslovenska Akademie Zemedelska, Ustav Vedeckotechnickych Informci, Studijni Oddeleni., 166-187

Stale, J.; Bovay, E. 1965: Problems in the use of phosphate fertilizers. Fertilizer trials on natural grassland with two new types of phosphate fertilizers. Schweiz. landw. Forsch 4: 36-43

Andrasfalvy, A.; Balint, I., M. 1964: Problems in the utilization of male-sterile onion for the production of heterotic seed. KiserlUgy. Kozl.: Ser. C. (publ. 1965) 57(3): 167-75

Duchon, F. 1965: Problems in the utilization of urea and frits as fertilizers. Sb. vys. Sk. zemed. Praze. 219-224

Anonymous 1965: Problems in the world production of bananas. Boln Inf. Minist. Agric, Madrid. 18(112): 13-4

Ford, H.W. 1970: Problems in using Milam rootstock as a biological barrier. Proceedings of the 83rd Annual Meeting of the Florida State Horticultural Society, Miami Beach, USA., 83, 84-86

Scarascia-Mugnozza, G.T. 1969: Problems in using experimental mutagenesis for breeding purposes. Induced mutations in plants. Proceedings of a symposium jointly organized by the IAEA and FAO and held at Pullman, Wash., 14-18 July, International Atomic Energy Agency, Vienna., 485-99

Redman, J.C. 1967: Problems in using farm accounts for decision making. Indian J. agric. Econ, Bombay 22(3): 68-72

Andrasfalvy, A.; Balint, M.I. 1964: Problems in using male-sterile onions for hybrid seed production. Kiserl. Kodem, 57C: 3, 167-75

Suggitt, J.W. 1964: Problems in vegetation control on transmission line right-of-way. Proc 20th N. cent. Weed Control Conf, 42-3

Gilfillan, E.C. 1966: Problems in weed control on an estate. Proc 40th annu. Congr. S. Afr. Sugar Technol. Ass, 315-16

Tschirley, F.H. 1966: Problems in woody plant control evaluation in the tropics. Abstr. Meet. Weed Soc. Am, 28-29

Saito, K.; Hosokawa, S. 1964: Problems involved in breeding sugar beet for resistance to Cercospora beticola. Ikushugaku Zasshi/Jap. J. Breeding. 14: 247-58

Zonji, D. 1971: Problems involved in cheese brining. Milchwissenschaft 26(12): 745-747

Hanset, R. 1969: Problems involved in establishing and operating a selection programme for dairy cattle. Annls Med. vet 113(2): 73-89

D.Crehu, G. 1964: Problems involved in kale breeding. Fourrages 20: 107-22

Howell, J.F. 1971: Problems involved in rearing the codling moth on diet in trays. Journal of Economic Entomology 64(3): 631-636

Stern, K.; Hattemer, H.H. 1964: Problems involved in some models of selection in forest tree breeding. Silv. genet 13: 27-32

Arvay, J. 1967: Problems involved in the survey of personal peasant income. Statiszt, Szle, Budapest 45(7): 713-8

Gothner, T. 1964: Problems of. Arsb. Svenska Flottledsforb, 38, 6487-94

Robson, T.O. 1967: Problems of 2,4-D residues in surface waters. Ergebn 2. EWRC int. Symp. Wasserpflanzen, Oldenburg 1967. 141-2

Aulerich, R.J. 1971: Problems of A.I. in mink. Dt. Pelztierzuchter 45: 163-164

Poncet, J. 1964: Problems of Algerian agriculture as illustrated by the example of the departement of Tiaret. Tiers Monde, Paris, Avr./Juin. 5(18): 211-233

Hartmann, E. 1964: Problems of Austrian agriculture. Agrarpol. Rev. (Bern), Mai 20(9): 362-380

Lehner, H. 1972: Problems of Austrian agriculture and the targets of agricultural policy. Forderungsdienst 20(2): 39-43

Hasan, K.A.; Chaudhury, S.H. 1966: Problems of East Pakistan tea soils. Pakistan Journal of Soil Science 2(1): 31-35

Athanassatos, D. 1966: Problems of Greek agriculture. Revue Marche Commun., Paris. 91: 225-9

Asvany, A. 1969: Problems of Hungarian wine production. Kert. Szoleszet, Budapest 18(20): 611-2

Anonymous 1967: Problems of Indo-Pacific forest ecology. J. Ecol 55(3): 67P-70P

Streuber, E. 1967: Problems of Inoculation and nitrogen fertilizing of soybeans. Zentbl. Bakt. ParasitKde, 121: Abt. II, 709-718

Marquering, B. 1971: Problems of Milko-Tester butterfat determination of preserved milk samples. Dte Molk.-Ztg 92(20): 881-882

Penningsfeld, F.; Fast, G. 1970: Problems of Paphiopedilum callosum nutrition. Preliminary results of a three-year experiment. Gartenwelt 70: 205-8

Hubener, E.; Joachim, H.F. 1968: Problems of Poplar planting in live firebreaks. Sozial. Forstw., Berl 18(10): 312-4

Anonymous 1970: Problems of Yugoslavian agriculture after the economic reform. Bankszemle, Budapest 14(5): 70-1

Boussard, J.M.; Petit, M. 1966: Problems of access to irrigation. An economic study of a small irrigated region. Probleme de l'accession a l'irrigation. Etude econometrique d'une petite region irriguee, Paris: INRA-Econ. sociol. rur., 215

Brandolini, A.; Avila, G.; Vandoni, G. 1970: Problems of acclimatization of tropical germ plasm in temperate regions. Genet. agr., Pavia 24: 280-302

Anonymous 1966: Problems of accounting and analysis in the farm. Trudy Har'kovskij Sel'.-hoz. Inst, Kiev, 54 (91), 139. Price: Rbl.1.02

Laca, J. 1964: Problems of accounting and the introduction of hozrascet into unified co-operative farms (in Czechoslovakia). Sb. Vys. Sk. Pol'nohospod. v Nitre, Agron. Fak, Bratislava 9: 21-9

Romanchenko, R.G. 1966: Problems of accumulation and consumption in collective farms. Probl. Econ, New York 9(3): 3-14

Lucov, I.; Misev, V.; Kuminev, H., E.A. 1965: Problems of accumulation on co-operative farms. Problemi na natrupvaneto v TKZS, Varna: Darzavno Izd-vo., 150

Campbell, K.O. 1966: Problems of adaptation of pastoral businesses in the arid zone. Aust. J. agric. Econ, Melbourne 10(1): 14-26

Ziegler, H.; Wilke, K. 1966: Problems of adjusting production of fatstock to requirements. Z. Agrarokonomik. Berlin 9(7): 365-74

Reinwald, M. 1968: Problems of advertising as regards agricultural products in Austria. Forderungsdienst 16(Special Issue 1): 1-69

Maurer, K.J. 1967: Problems of affinity and union in walnut grafting. Mitt. Klosterneuburg. 17: 481-91

Safar, J. 1968: Problems of afforestation in the littoral Karst region. Sum. List. 92(3/4): 147-53

Niehaus, H. 1965: Problems of agrarian policy within the European integration. Ber. Arb.-Gemeinschaft Forsch

Nicolas, G. 1966: Problems of agricultural accounting techniques. Etud. rur, Paris 16: 5-65

Joy, L. 1969: Problems of agricultural administration and extension services. Proceedings of the Thirteenth International Conference of Agricultural Economists held at the University of Sydney, Sydney, New South Wales, Australia 21-30 August London: Oxf. Univ. Press, 433-42

Kroll. J 1969: Problems of agricultural building. Forderungsdienst 17(1): 7-15

Rege, F.De. 1965: Problems of agricultural chemistry. Theoretical study of the variation in the saturation of agricultural soils in relation to soil pH. Annali Staz. sper. Risicolt, Vercelli, 7 (n.s.): 65-86

Rege, F.De. 1964: Problems of agricultural chemistry. Theoretical study of variations in degree of saturation of agricultural soils depending on soil pH. Il Riso 13: 205-226

Tejchma, J. 1965: Problems of agricultural circles and their attainments in 1964. Wies wspotczesna, Warszawa, 9: 7 (101), 27-33

Benecke, D.W. 1969: Problems of agricultural co-operatives in Chile. Z. ausl. Landw, Frankfurt a.M. 8(2): 135-57

D.Albornoz Y D.L.Escosura, A. 1967: Problems of agricultural credit. Revta Econ., Mexico. 67: 16-24

Parekh, S.B. 1966: Problems of agricultural credit in India. Dissertation Abstracts A, The Humanities and Social Sciences 27(5): 1163-1164

Ruthenberg, H. 1966: Problems of agricultural development aid- illustrated by observations and experience in E. Africa. (Schr. Reihe fur landliche Sozialfragen No. 49.). Aufgaben und Motive landwirtschaftlicher Entwicklungspolitik, Hannover : Verlag M. & H. Schaper., 22-44

Schmidt, M. 1970: Problems of agricultural development around Abda-Doukkala (Morocco). Tiers Monde., Paris. 11(44): 793-814

Uhlig, C. 1964: Problems of agricultural development in India. Wirtschaftsdienst (Hamburg), Marz 44(3): 117-123

Brand, S.S. 1971: Problems of agricultural development in Southern Africa, with particular reference to the role of tribal agriculture. 5. Afr. J. Afr. Affairs., Pretoria 1(1): 74-92

Groeneveld, S. 1967: Problems of agricultural development in the E. African coastal region. Afr. Stud., IFO-Inst. Wirt.-Forsch, Munchen, 24

Tabor, L. 1970: Problems of agricultural development in the county of Bekes. Bankszemle, Budapest 15(2): 44-52

Goswami, P.C.; Saikia, P.D. 1970: Problems of agricultural development in tribal areas. Indian J. agric. Econ., Bombay 25(3): 140-8

Vagi, F. 1970: Problems of agricultural economics. Tudom. Mezogazdasag, Budapest 8(5): 29-33

Anonymous 1966: Problems of agricultural economics and marketing. Bull. techq. Inf. Ing. Serv. Agric, Paris, 213; 214: 649-748; 751-926

Kuhnen, F. 1968: Problems of agricultural employment in tropical Africa. Z. ausl. Landw, Frankfurt a.M. 7(2): 154-80

Sivaraman, B. 1969: Problems of agricultural labour. Agric, Situ. India, New Delhi, 23: 10, 1005-10

Vinhas, M. 1968: Problems of agricultural land in Brazil. Problemas agraria-campo-neses do Brasil, Rio de Janeiro, Brazil: Civilizacao Bralikeira., 244

Basmakov, G.S.; Kolbasov, O.S.; Krasnov, N.I. 1965: Problems of agricultural land use. Sovetskoe Gos. Pravo, Moskva 35(9): 21-9

Muller, G. 1964: Problems of agricultural location related to the organization of the market and economic intervention by the state. Sozialokonomische Aufgaben der Landwirt-schaft in unserer Zeit, Festschrift Max Rolfes. Ber. Arb

Espada, J.M. 1966: Problems of agricultural planning. Agros, Lisboa 48(3/4): 119-27

Gollnick, H. 1969: Problems of agricultural policy and economic organization in developed industrial countries. (Schr. No. 6). Moglichkeiten und Grenzen der Agrarpolitik in der EWG, Munchen: Ges. Wirt.-Sozialwiss. Landbaues., 11-21

Mansholt, S.L. 1966: Problems of agricultural policy in Europe and the world. Tolvmandsbladet 38(1): 10-4

Thomsen, C. 1971: Problems of agricultural policy in Europe-a Danish point of view. Journal of Agricultural Economics. Reading 22(3): 235-246

Vlachynsky, K. 1964: Problems of agricultural production co-operatives' long-term credit burdens. Zemedelska Ekon. (Praha), 10(37): 6, 409-422

Sawamura, T. 1965: Problems of agricultural structure improvement program in Japan - especially in the backward mountain districts. Fm Mgmt Notes Asia Far East, Bangkok, Bangkok 1(1): 9-20

Pufendorf, U.Von Schade, K.F. 1967: Problems of agriculture in development policy, Articles in honour of the 65th Birthday of Otto Schiller. Germ. econ. Rev, Stuttgart 5(4): 331-6

Shehata, E.Sayed Shehata. 1965: Problems of agriculture in socialistic countries with particular reference to the United Arab Republic. Egypte contemporaine, Le Caire, Jan, 83-99

Beskov, S. 1971: Problems of agro-industrial complexes in Bulgaria. Ikonomika selskoto Stopanstvo. Sofija 8(4): 3-14

Bessonov, A.S. 1970: Problems of allergic diagnosis of trichinelliasis in pigs. Veterinariia (11): 31-32

Lohr, L. 1968: Problems of alpine agriculture. Milchwirt. Ber.Wolf passing 3: 13-28

Spiegelman, S.; Haruna, I. 1966: Problems of an RNA Genome Operating in a DNA-Dominated Biological Universe. Journal of General Physiology 49(6): 263-304

Rea, G.B. 1965: Problems of anaplasmosis control in tick-infested areas of the Northwest. Journal of the American Veterinary Medical Association 147(12): 1567-1569

Hatai, Y. 1972: Problems of and proposals for milk policy. Keizai Ronshu. Tokyo 17: 1-38

Eldick, J.Van. 1966: Problems of and prospects for (Dutch) dairy farms. Landbouwvoorlichting 23(1): 14-9

Anonymous 1970: Problems of animal hygiene and veterinary sanitation on livestock farms. Problemy zoogigieny i veterinarnoi sanit-arii, Moscow: Izdatel'stvo Kolos, 295. Price: 1r. 88k

Rodriguez, D.S. 1967: Problems of apomictic plants. Idia, 230, 23-26

Doll, R. 1971: Problems of apomixis in higher plants. Biologische Rundschau 9(4): 215-239

Lamond, D.R. 1968: Problems of applying new knowledge of pasture production in dairying in South-East Queensland. Trop. Grasslds 2(2): 129-34

Kral, J.; Haladej, S.; Bastar, M. 1968: Problems of bacteriological diagnosis and aetiology of bovine mastitis. Hig. Mlek. Zwalcz. Schorzen Grucz. mlecz. (Miedzynar. Symp.), 55-68

Anand, S.C. 1968: Problems of barley cultivation in India. Indian J. Genet., 1968. 28A, 51-57

Sinjukov, M. 1971: Problems of better use of machinery. Ekonomika sel'skogo Hozjaj-stva. Moskva 47(8): 7-13

Rubin, B.A.; Arcihovshaja, E.V. 1966: Problems of biochemistry and physiology of plant immunity. Results of work at the IVth All-Union Conference on immunity in Agricultural Plants, Kisinev., Part I, 31-51

Morozova, R.M.; Bogdanova, G.I. 1965: Problems of biological activity of forest soils. Plodorodie Pochv Karelii, Akad. Nauk SSR, karel'sk. Filial, 56-70

Rubin, S.S.; Il'chenko, V.A. 1966: Problems of biology of root system of winter wheat. Sel'-khoz. Biol 1: 310-314

Steineck, O. 1966: Problems of bolting in relation to the maintenance of potato varieties. Proceedings of the third triennial conference of the European Association for Potato Research, Zurich, 1966. 207-08

Caufield, W. 1968: Problems of bovine malignant catarrh. Vet. Rec, 82: 192

Palounek, V.; Tesarik, A.; Kacin, J.; Jezek, Z.; Hebelka, M.; Hejdova, E. 1966: Problems of bovine tuberculosis in the Kolin district (of Czechoslovakia). Veterinarstvi 16(5): 196-200

Thevenin, L. 1967: Problems of breeding Asparagus officinalis. I. Biology and breeding. Ann. Amel. Plantes. 17: 33-66

Korohoda, J. 1967: Problems of breeding and seed production in lucerne and other forage plants in Hungary. Biul. Inst. Hodowl. Aklimatyz. Roslin. 5, 121-24

Bolsunov, I. 1967: Problems of breeding and seed production of cultivars with cytoplasmically controlled stable pollen sterility. Report of the meeting of the working party of the principal seed producers in connexion with the Association of Austrian Seed Producers, held at Gumpenstein from 28 to 30 1967. 1967. 191-223

Frandsen, K.J. 1967: Problems of breeding for quality in herbage plants in the light of observations on variation in protein content. Nord. JordbrForskn, 254-55

Senger, E. 1969: Problems of breeding for scab resistance. Anwendung neuer Erkenntnisse der Zuchtungs-forschung in der Obstzuchtung, Tagungsber. dtsch. Akad. Landw-Wiss., Berlin, 96, 75-82

Anonymous 1967: Problems of breeding monocarpic sugar beets. Tagungsber. dtsch. Akad. Landw-Wiss, Berlin, 89; Pt. 1, 175

Clements, R.J. 1970: Problems of breeding pasture plants for improved herbage nutritive value. Proceedings of the XI International Grassland Congress held at Surfers Paradise, Queensland, Australia, 13-23 April, 1970. 251-54

Zadina, J. 1965: Problems of breeding potatoes for resistance to S. subterranea (Wallr.) Johnson. Genetika a and lechteni 38(3): 71-78

Pimenova, L.V. 1966: Problems of breeding spring wheat in the conditions of the Kustanaj region. Selekcija i Semenovodstvo (Breeding and Seed-growing) 31(2): 57-59

Orlovskij, N.I.; Peretjat'ko, V.G. 1969: Problems of breeding sugar beet. Sahar. Svekla (Sug. Beet), 6, 1-3

Barcikowska, B. 1968: Problems of breeding white clover. Postepy Nauk Roln 15(3): 3-11

Reichert, W. 1966: Problems of building and building costs on the farm. Forderungsdienst 14(12): 404-9

Maravalhas, N. 1965: Problems of cacao storage. Cacau Atual 2: 73-7

Odincov, A.S. 1970: Problems of capitalization of cotton growing farms. Vest. sel', hoz. Nauki, Alma-Ata 13(10): 7-12

Schneeberger, H. 1966: Problems of carcass evaluation in cattle. 9th int. Congr. Anim. Prod, Edinb., 38-39

Lacrouts, M. 1969: Problems of cattle marketing in Africa. Revue Elevage Med. Vet. Pays Trop, Paris 1: 127-44

Perez Diaz, V. 1968: Problems of change in a (Spanish) rural district. Revta Estud. agro-sociales, Madrid, Apr./ 33-86

Oberlehner, F. 1971: Problems of changing over from milk to beef cattle production with farm examples. Forderungsdienst 262-270

Stalder, L.; Barben, E. 1967: Problems of chemical weed control in vine growing. Schweiz. Z. Obst-u. Weinb, 103: 23843

Leuchs, F. 1964: Problems of chemical weed control under arid climatic conditions in Iran. Gesunde Pflanzen 16: l1, 221-4

Semal, J. 1969: Problems of chemotherapeutic research in plant virology. Zentbl. Bakt. ParasitKde 123(3): 326-329

Kobyletzki, D.Von. 1969: Problems of chemotherapy during pregnancy and lactation with regard to the foetus and child. Gynakologe 2(1): 36-40

Kozunsnik, Z.; Cernovsky, J.; Burilova, E. 1966: Problems of chronic respiratory disease (mycoplasmosis) in Czechoslovakian poultry. Veterinarstvi 16: 18-23

Hawkes, J.G. 1967: Problems of classification. Nature, Lond., 216: 5111, 116-17

Fomin, K.F.; Alekseeva, L.P. 1967: Problems of clinical course and differential diagnosis of suppurative trichophytoses. Vest. Derm. Vener 41(1): 62-65

Krasnowski, P. 1969: Problems of co-operation amongst the COMECON countries in the field of agriculture. Nowe Roln., Warszawa. 18(18): 28-9

Geri, F. 1970: Problems of co-operation in production and marketing of agricultural products. Kooperation und Bodenmobilitat-Wege zu optimalem Einsatz der Produktionsfaktoren in landwirtschaftliehen Unternehmen. Dortmund: Verkehrs Wirtschaftsverlag Dr. Borgmann. pp. 5-16. (Arb.-Gemeinsch. Rationalisierung Landes Nordrhein-West jalen, 114,

Godfrey-Sam-Aggrey, W. 1966: Problems of coconut production in Ghana. Ghana Fmr 10: 181-8

Rybacki, Z. 1968: Problems of cold storage of dairy products. Chtodnictwo 3(12): 274-78

Salajka, E.; Cimr, J.; Novak, J. 1966: Problems of coliform mastitis in cows. Veterinarstvi 16(3): 120-23

Schulz, M.E. 1969: Problems of combining milk products with other foods. Milchwissenschaft 24(9): 521-532

Clarke, C.C. 1969: Problems of communication in rural Africa. Can. J. Afr. Stud, Montreal 3(1): 223-31

Jackson, P.R. 1966: Problems of community ragweed control. Proc 20th NEast Weed Control Conf, 455-7

Fadeeva, T.S. 1966: Problems of comparative genetics of plants. I. Principles of the genome analysis as exemplified by the genus Fragaria. Genetika (Genetics). Moskva, 1, 12-28

Fadeeva, T.S. 1967: Problems of comparative genetics of plants. VI. Parallelism in hereditary variability and its genetic propositions. Research in genetics, 77-96

Fadeeva, T.S. 1966: Problems of comparative plant genetics. II. Genetics of characters and mutations in the strawberry. Genetika 7: 100-117

Fadeeva, F. t. S.; Fadeeva, F. 1966: Problems of comparative plant genetics. IV. The potential of genetic variability of species as exemplified by the genus Fragaria. Genetika (Genetics), Moskva, 12, 36-45

Fadeeva, F. t. S.; Fadeeva, F. 1967: Problems of comparative plant genetics. V. The variability of cell size in different species and experimentally induced polyploids of strawberry. Genetika (Genetics), Moskva, 5, 24-32

Yrba, L. 1972: Problems of complex socialist rationalization. Zemedelska Ekonomika. Praha 18(1): 1-10

Liebold, E.; Helbig, H. 1970: Problems of concentrating forest production within the recreational forest. Sozial. Forstw 20(5): 150-1

Pazdera, O. 1971: Problems of constructing models for internal farm accounting. Acta Universitatis Agriculturae. Facultas Agroeconomica, Brno 7(2): 155-161

Rotting, K.; Sonsmann, E. 1969: Problems of continuous cheesemaking. Dte Molk.-Ztg 90(2): 43-47

Muller, J.O. 1967: Problems of contract cattle keeping by herdsmen of the Fulbe (Peul) tribe in W. Africa. Motivation and opinions as to the development of peasants' livestock raising based on the example of the Ewe and other tribes in Togo. Afr. Stud., IFO-lnst. Wirt.-Forsch., Munchen. 14, 124. Bibl

Monchadskii, A.S.; Breev, K.A.; Gutsevich, A.V. 1964: Problems of controlling blood-sucking dipterous insects in the USSR. Problemy veterinarnoi sanitarii 269-278

Misra, S.D. 1964: Problems of cooperation in India. Indian Cooperative Rev, New Delhi 2(1): 60-5

Ampol Senanarong. 1969: Problems of corn trade and corn seed of Thailand in 1968. Kasikor (Farmer)/Kasikorn. Bangkok 42: 111-23

Aparicio Lopez, Maria 1967: Problems of corrosion in the dairy industry. Revta esp. Lech, 65; 66, 97-112; 163-78

Goryunov, N.S.; Pestov, L.F. 1965: Problems of cotton irrigation in the zone of the Arys'-Turkestan canal. Khlopkovodstvo 1, 30-32

Yonke, J.-B. 1966: Problems of crop and agricultural product diversification in East Cameroon. Cameroun agric. pastoral for, Yaounde 96: 52-8

Peries, O.S.; De Silva, R.L. 1968: Problems of crop disease control with chemicals. Q. Jl Rubb. Res. Inst. Ceylon 44(3-4): 44-48

Bouthier, M. 1965: Problems of crop diversification in Senegal. Tiers-Monde, 6: 24, 1031-41. Bibl

Konnecke, G. 1970: Problems of crop rotation with increased cereal growing. Albrecht-Thaer-Arch 14(4): 385-96

Vrkoc, F. 1967: Problems of crops to follow lucerne in the beet-growing region. Ved. Pr. Ustr. vyzk. Ust. rostl. Vyroby Praze-Ruzyni 11: 107-13

Khranov, A. 1970: Problems of crossability between Nicotiana tabacum L. and N. megalosiphon Heurck et Mull. B"lg. Tyutyun 15(10): 45-48

Raether, W. 1966: Problems of cucumber pruning. Gemuse 2: 271-2

Cerevatenko, A.S. 1964: Problems of cultivating and breeding apricots in Uzbekistan. Trud. nauc.-issled. Inst. Sadov. Vinograd. Vinodel. Sreder. (Trans. Sreder sci.-res. Inst. Hort. Vit. Wine-mak.). 28, 62-70

Hubay, R. 1967: Problems of cultivation of the lesser periwinkle (V. minor L.). II. Study of different populations (land races) in small-plot trials. Herb. hungar 6(1): 27-38

Landi, R. 1964: Problems of cultivation technique and genetic improvement in forage sorghums. Georgofili 11: 147-74

Lensch, J. 1969: Problems of dairy farming in Taiwan. Z. ausl. Landw., Frankfurt aM 8(1): 61-70

Geyh, M.A.; Benzler, J.H.; Roesch-Mann, G. 1971: Problems of dating Pleistocene and Holocene soils by radiometric methods. Paleopedology: Origin, Nature and Dating of Paleosols". Symposium on the Age of Parent Materials and Soils, Amsterdam, August, International Society of Soil Science and Israel University Press, 63-75

Otcenasek, M.; Dvorak, J. 1968: Problems of dermatophytoses caused by T. rubrum. Cslka Derm 43(6): 400-406

Mcintyre, D.S.; Loveday, J. 1968: Problems of determination of soil density and moisture properties from natural clods. Soil Sci 105(4): 232-236

Muller, E. 1964: Problems of determining and evaluating artificial insemination results. Deutsche Tierärztliche Wochenschrift 71: 510-518

Oliver, J. 1969: Problems of determining evapotranspiration in the semi-arid tropics illustrated with reference to the Sudan. J. trop. Geogr 28: 64-74

Matz, W. 1965: Problems of determining the economic profit of measures of scientific-technical progress in East German agriculture. Wirischaftswissen-schaft 13(5): 758-70

Miric, S.S.; Krstic, B. 1969: Problems of determining the optimum crop ratio by the use of linear programming. Ekon. Poljopr, Beograd 16(6): 391-411

Abaev, N.A. 1970: Problems of developing cotton in Turkmenian SSR. Problemy razvitiya khlopkovod-stva v turkrnenskoi SSR, Ashkhabad: 'Elym', 261. Price: 1-42 rouble

Ramaswamy, P.; Sapra, H.T. 1967: Problems of developing countries in export marketing of agricultural products with special reference to India. Foreign Trade Rev, New Delhi 4: 397-423

Kohl, M. 1967: Problems of developing economic relationships between agricultural research institutions and co-operative chains in the food industry. Wirtschaftswissenschaft, Berlin 15(5): 734-43

Kudo, H. 1968: Problems of developing production regions. Nogyo Keizai, Tokyo 34(7): 3-9

Udo, R.K. 1965: Problems of developing the Cross River district of Eastern Nigeria. J. trop. Geogr 20: 65-72

Giersch, D.E.Al 1967: Problems of developing the cooperative organization of production in E. German agriculture (propositions). Wirtschaftswissenschaft, Berlin 15(4): 596-603

Baran, M. 1964: Problems of development and location of agricultural production in E. Slovakia. Folia vet, Kosice 8(1): 175-84

Manescu, B.; Vasilescu, C. 1968: Problems of development and modernization of socialist agriculture in Rumania. Stud. Cercetari econ., Bucuresti 4: 183-95

Hartoungh, J.C.C. 1969: Problems of development in Ogoni. Wld Crops 21(3): 182-5

Taysi. 1965: Problems of development in Turkish agriculture. Orient, Oplanden 1: 7-13

Janossy, A. 1968: Problems of development in red clover growing. Production of an initial material for breeding. Agrobotanika, publ. 1970. 10: 279-295

Danco, J. 1971: Problems of development of agriculture in the Czechoslovak Socialist Republic. Vop. Ekon., Moskva 24(6): 105-12

Haugwitz, H.-W. 1966: Problems of development of small hill farms with special emphasis on N.-E. Bavaria. Ber. Landw, Hamburg 44(4): 629-50

Brunies, A. 1964: Problems of diagnosis and prophylaxis of mastitis, in particular the role of superphosphate in cowsheds in the control of mastitis. Kieler milchw. ForschBer 16(4): 319-30

Brandt, N.J.; Tolstrup, N. 1966: Problems of diagnosis in hereditary galactosaemia. Ugeskr. Laeg, 128: 44, 1299-1304

Ramisz, A.; Urban, E.; Damm, A. 1969: Problems of diagnosis of fascioliasis. Medycyna Weterynaryjna 25(2): 82-84

Becker, K.; Krentz, K. 1965: Problems of diet in the treatment of patients after portocaval shunt operations. Erndhrungs-Umschau. 12: 267-272

Hartia, S. 1966: Problems of differential rent and the territorial division of agricultural production in agricultural production co-operatives. Probl. Econ. Agr, Bucuresti 3: 13-36

T.Punga, W.A. 1964: Problems of disease and fertility in sheep production. Proceedings New Zeal Society Anim Prod 24: 149-163

Obaton, J. 1966: Problems of dispersion of dairy effluent by crop-spraying. C. r. hebd. Seam. Acad. Agric. Fr 52(12): 932-39

Eremin, G.V. 1971: Problems of distant hybridization in plum. Sel -hoz. Biol 6: 41-6

Giersch, D. 1967: Problems of dividing up and centralizing production and labour processes in E. German agriculture. Wirtschaftswissenschaft, Berlin 15(7): 1101-17

Simon, H.R. 1969: Problems of ecological research on Collembola. Dt. ent. Z. (N.F.), 16: pt. 4-5, 379-382

Bahr, J. 1969: Problems of economic and social structure in the farming areas of S.W. Africa. Z. Wirt.-Geographie, Hagen 13(5): 129-39

Singh, I.J.; Mishra, J.P.; Sharma, J.S. 1970: Problems of economic development in tribal agriculture of Tarai. Indian J. agric. Econ., Bombay 25(3): 214-7

Shah, V. 1969: Problems of economic development in tribal areas of Gujarat. Khadi Gramodyog, Bombay 15(9): 670-2

Choma, D. 1969: Problems of economic differences in Czechoslovak agriculture. Politicka Ekon., Praha 17(2): 115-8

Kubik, S. 1967: Problems of economic effectiveness of concentration of production in the dairy industry. II. Analysis of factors influencing effectiveness. Przegl mlecz 16(4/5): 15-18

Kubik, S. 1966: Problems of economic effectiveness of concentration of production in the dairy industry. L Overall characterization of concentration in the dairy industry. Przegl. mlecz 15(6): 2-3

Jenicek, F. 1967: Problems of economic equilibrium in agriculture. Plan. Hospod., Praha 20(9): 35-45

Koszegi, L. 1964: Problems of economic regionalization in Hungary. Foldrajzi Kozle-menyek, Budapest 12(1): 1-11

Okropiridze, V.O. 1969: Problems of economics and prospects of producing raw material of woody aloe in the zone of humid sub-tropics of the Georgian S.S.R. Subtropicheskie Kul'tury (2): 30-35

Nour, M.A. 1969: Problems of education in plant pathology in developing countries. FAO Plant Protection Bulletin 17(1): 9-11

Schwarzer, J. 1971: Problems of effectiveness of cattle breeding on Czechoslovakian cooperative farms. Zesz. nauk wyzsz.Szk.roln- Wroct.(Ser.Rolnictwo). 28(92): 301-308

Misseri, S.C. 1967: Problems of efficiency in marketing horticultural products. Frutticoltura, Bologna. 29(8/9): 415-21

Schwarzer, J. 1971: Problems of efficiency of cattle breeding on Czechoslovakian co-operative farms. Zeszyty naukowe Wyzszej szkoly rolniczej we Wroclawiu. Warszawa 28(92): 301-308

Ryzenko, I.; Tevosjan, T. 1967: Problems of electrification of agriculture. Plan. Hoz, Moskva 44(8): 24-31

Lukashenko, N.P. 1970: Problems of epidemiology and prevention of trichinellosis on a global scale. Wiadomosci Parazytologiczne 16(1): 121-123

Lukashenko, N.P. 1971: Problems of epidemiology and prophylaxis of alveococcosis (multilocular echinococcosis): a general review--with particular reference to the U.S.S.R. International Journal for Parasitology 1(2): 125-134

Olmova, G. 1965: Problems of equivalent relations between the co-operatives and the state. Sb. Provoz. Ekon. Fak. Vys. Sk. Zemed. Suchdole Prahy, Praha, 79-86

Pleva, J.; Arvay, S. 1967: Problems of eradicating bovine tuberculosis in Slovakia. Veterinarstvi 17(4): 153-57

Safford, J.W. 1965: Problems of establishing anaplasmosis-free herds in Montana. Journal of the American Veterinary Medical Association 147(12): 1570-1572

Petry, H.; Rapp, W. 1971: Problems of estimating chromic oxide in digestion studies. Zeitschrift fur Tierphysiologie Tierernahrung und Futtermittelkunde 27(4): 181-189

Hartman, M. 1971: Problems of estimating lactic acid in protein silages and haylages. Zivocisna Vyroba 16: 10/11, 805-812

Kiss, A. 1964: Problems of evaluation in tetraploid rye. Duna-Tisza kozi mezogazd. kiserl. Int. Evk., Kecskemet, 1964. 61-70

Chinwuba, P.M. 1966: Problems of expanding maize production in Nigeria. Sols afric 11: 1; 2, 201-06

Goswami, P.C. 1969: Problems of export promotion in tea. Indian J. agric. Econ, Bombay 24(4): 223-9

Hiss, D. 1966: Problems of factor allocation and mobility in W. German agrarian policy. Agrarwirtschaft 15(5): 159-63

Overby, A.J.; S0rensen, J.J. 1967: Problems of false positive results by counting coliform bacteria in ice cream. Kongelige Vet Landbohojsk Arsskr : 29-36

Niederstucke, H. 1969: Problems of farm management in connection with catch crops cultivation. Ber. Landw, Hamburg 47(3): 455-68

Weinschenck, G.; Heidhues, T. 1965: Problems of farm planning and farm management on collective farms in the USSR. Agrarwirtschaft, Hannover 14(7): 289-300. Price: 3 dgms,

Anonymous 1970: Problems of farm processing. Ekon. sel'. Hoz., Moskva. 46(10): 56-65

Chaudhary, B.N.; Prasad, C. 1972: Problems of farms in relation to fertiliser use-an investigation in Delhi villages. Fertiliser News. New Delhi 17(2): 51-57

Koci, S.; Kociova, E.; Petras, G. 1969: Problems of feeding geese. 4. Balanced feeding of geese for production of fat liver. Ved. Prace, Hydinarstvo. 1970: 7, 59-78

Koof, S.; Grom, A.; Petras, G.; Kociova, E. 1970: Problems of feeding geese. 5. Effect of the NPN of urea on growth of geese. Ved. Prace, Hydinarstvo. 9: 21-39

Guelaud-Leridon, F. 1968: Problems of female employment in rural areas. Paysans, Paris 12(70): 91-7

Bonadonna, T.; Fornaroli, D. 1967: Problems of fertilisation and fertility in cattle. Veterinaria ital 18: 210-225

Hagin, J. 1969: Problems of fertilizer requirement prediction in intensive agriculture. Transition from extensive to intensive agriculture with fertilizers. Proceedings of the 7th Colloquium of the International Potash Institute held in Israel Berne, Switzerland, International Potash Institute, 185-189

Tusa, G.; Moscalu, T.; Tintareanu, D. 1964: Problems of fertilizer utilization in agriculture. Probl. econ, Bucurecti 17(12): 33-47

Wenglikowska, E.; Niklewski, M. 1964: Problems of fertilizing on light soils possessing an exhausted sorption complex. Zeszyty Problemowe Postepow Nauk Rolniczych 50(B): 349-360

Lang, I. 1964: Problems of fertilizing sandy soils with mineral fertilizers in Hungary. Zeszyty Problemowe Postepow Nauk Rolniczych 50(A): 209-219

Dusza, J. 1965: Problems of finance in the rural people's\$councils (in Poland). Wies wspotczesna, Warszawa, 9: 5 (99), 53-68

Rosche, K. 1964: Problems of financing agricultural production co-operatives. Wiss. Z. Karl-Marx-Univ. Lpz, mathematisch-naturwiss. Reihe, Leipzig 13(4): 619-23

Kalecki, M. 1965: Problems of financing economic development in a mixed economy. In: Essays on planning and economic development. Res. Pap. Center Res. Underdev. Econ, 2, 37-50

Sturm, M.; Gugenhan, E. 1967: Problems of flower-bulb forcing. Dtsche Gartnerborse 67: 553-61

Klatt, W. 1970: Problems of food and farming in Asia. Asian Affairs, London, 57; 1, 4-18

Steel, R.W. 1965: Problems of food and population in tropical Africa. Kroniek Afrika, Leiden, 1, 48-65

Freeman, J.A. 1964: Problems of food infestation. Proc. int. Fd Ind. Congr, London, 96-200

Cervato, A.; Paris, P. 1967: Problems of forage production on the unirrigated hills of the Apennines of Piacenza Province. Annali Fac. Agr. Univ. S. Cuore 7(3): 499-519

Lukinov, I. 1971: Problems of forecasting in agriculture. Vop. Ekon., Moskva 24(7): 43-51

Gordon, J. 1965: Problems of forecasting the cocoa drop in Ghana. World Crops 17(3): 64-5

Delecour, F. 1969: Problems of forest fertilization. The importance of the nutrient cycle. Agri Digest, Brussels. 17, 3-9

Anonymous 1965: Problems of forest protection in Scots Pine management. Tagungsbericht, Deutsche Akademie der Landwirtschaftswissenschaften, Berlin. 75, 197-307

Leukens, U.; Maydell, H.J.V.n 1967: Problems of forestry and forest industries in Ethiopia. Holz-Zbl, 93: 150, 2331-2334

Anonymous 1964: Problems of forestry in the Oak forests of Bulgaria. Po problemite na gorskoto stopanstvo v dabovite gori na NRB, Izdatelstvo na Balgarskata Akademija na Naukite,Sofia, Bulgaria: 269

Gronau, J. 1966: Problems of freezing and defrosting cream. Kieler milchw. ForschBer 18(1): 15-23

Ricada, R. 1965: Problems of garlic production in the Bouches-du-Rhone. Rev. hort., Paris, Paris 137: 918-20

Dubinin, N.P. 1969: Problems of genetics and breeding. Selektsiya samoopylyayushchikhsya kul'tur, Moscow, USSR, Kolos, 184-201

Dubinin, N.P. 1970: Problems of genetics and development of Marxist philosophy. Genetika (Genetics), Moskva. 6(4): 24-35

Dubinin, N.P. 1971: Problems of genetics and the future. TsitoL Genet 5: 483-496; 547

Zukov, O.S. 1965: Problems of genetics in fruit crops in England. Sadovodstvo (Horticulture). 12, 48-49

Fackler, R. 1970: Problems of genuinely predictive forecasting in horticulture. Agrarwirtschaft, Hannover 19(3): 85-9

Hafez, E.S.; Rajakoski, E.; Anderson, P.B.; Frost, O.L.; Smith, G. 1964: Problems of Gonadotropin-Induced Multiple Pregnancy in Beef Cattle. American Journal of Veterinary Research 25: 1074-1079

Kuz'min, V.P. 1967: Problems of grain breeding in the north of Kazahstan. Vestn. sel'skohoz. Nauk. (Rep. agric. Sci.), 8, 8-11

Sieber, J. 1968: Problems of grass fertilization. Rasen*, 3: 34-41

Newman, R.J. 1966: Problems of grassland establishment and maintenance on hill-country in Victoria. Proc 10th int. Grassld Congr., Helsinki, July, 1966. 875-8

Schechter, G. 1964: Problems of grassland fertilizing. Bodenkultur 15: 216-240

Singh, M.; Pandey, R.K.; Shankar-Narayan, K.A. 1970: Problems of grassland weeds and their control in India. Proc 11th int. Grassld Congr., Surfers Paradise, 1970. 71-4

Wachter, H. 1965: Problems of growing Larch in the Erzgebirge. Allg. Forst- u. Jagdztg 136(4): 88-99

Terada, S.; Chiba, M. 1971: Problems of growing Piper nigrum in the Amazon region, with regard to root development. Japanese Journal of Tropical Agriculture 15(1): 20-26

Keller, J. 1967: Problems of growth and development of animals. Biul. Zakl. Hodow. doswiad. Zwierz. polsk. Akad. Nauk, 11, 39-50

Prusakov, V.P. 1965: Problems of guaranteed labour payment on collective farms. Ekon. Nauki, Moskva 8(4): 17-24

Lyon, L.J. 1966: Problems of habitat management for deer and elk in the northern forest. U.S. For. Serv. Res. Pap. Intermt. For. Range Exp. Sta, INT-24, 15

Burghausen, R. 1968: Problems of herbicide usage in potatoes. Eur. Potato J 11(1): 3-13

Calcedo Ordonez, V. 1971: Problems of herd management with special reference to shepherds. Revta esp. Lech, 80, 79-106

Maksimov, Y.. L. 1970: Problems of herd reproduction and artificial insemination of cattle. Trudy dal'nevost. nauchno-issled.Inst. sel'. Khoz, 10, 142-157

Breznev, B. d. D.; Breznev, B. 1970: Problems of heterosis in growing vegetables under cover. Trud. priklad. Bot. Genet. Selekc. (Trans. appl. Bot. Genet. Pl.-Breed.) 42(3): 6-22

Bader, G.; Rohde, E. 1970: Problems of histological diagnosis of the yeast-like tissue forms of various pathogenic fungi. Zentbl. allg. Path, path. Anat, Bezirkskrankenhaus Sudstadt, X-25 Rostock, E. Germany 113: 481-500

Bader, G.; Rohde, E. 1970: Problems of histological species diagnosis of yeast like tissue forms of different pathogenic fungi. Zentbl. allg. Path. path. Anat 113(5): 481-500

Mostek, J.; Dyr, J. 1968: Problems of hop evaluation from the brewing aspect. Chmelarstvi 41: 8-9, 24-5

Sliwinska, S. 1964: Problems of housekeeping in peasant families. Roczniki Nauk Rolniczych, Ser. G, Warszawa. 77(2): 455-87

Rauhe, K. 1966: Problems of humus replenishment. Tagber. dt. Akad. LandwWiss, Berl, 82: II, 241-253

Ingram, H.A.P. 1967: Problems of hydrology and plant distribution in mires. J Ecol 55(3): 711-724

Kielwein, G. 1972: Problems of hygiene in packaging of milk and dairy products. A review. Alimenta 11(1): 15-23

Borrod, G.; Bret, J.-P.; Fevre, M.; Larpent, J.-P. 1970: Problems of hyphal growth and branching in some fungi. Bull. Soc. hot. Fr. Mem. Fac. Sci., Lyon., 117, 156-163

Gugenhan, E. 1966: Problems of illuminating chrysanthemums. Gartenwelt 66: 221-2

Vavilov, N. 1964: Problems of immunity in cultivated plants. Izbrannye trudy. Moskva-Leningrad, Izd. ' Nauka ', 4: 518. Price: 3r. 60 kop,

El-Hadithy, A.J. 1967: Problems of implementation of agrarian reform in Iraq. Land policy in the Near East. Proc. Dev. Center on Ld. Policy and Settlem. for the Near East, Tripoli, Libya: 16-28 Rome: FAO., 218-34

Sudnov, P.E. 1970: Problems of improving quality in rye. Vest. sel'skohoz. Nauk. (Rec. agric. Sci.), 8, 147-49

Gradomski, W. 1968: Problems of improving supply of dairy products in Warsaw. Przegl. mlecz 17(7): 9-11

Suliman, A.A.; Shaw, D.J. 1966: Problems of income stabilization in developing countries : a case study of the Gezira Scheme. Agric. Econ. Bull. Afr, Addis Ababa 8: 37-58. f

Herrero, J. 1968: Problems of incompatibility in the plum-tree. Acta Horticulturae 10: 387-399

Bergman, T. 1968: Problems of increasing agricultural production in India. The role of agriculture in the process of development. Econ. rur, Paris 77(3): 79-90. Bibl

Navolotskii, A.S. 1969: Problems of increasing grain yield and quality of cereal crops. Khimiya sel'. Khoz 7(2): 2-5

Florja, A.M. 1968: Problems of increasing labour employment (for example in agriculture of Moldavia). Vest. Mosk. Univ. Ser. VU, Moskva 23(4): 67-73

Tomka, O.; Pristas, J.; Tomasik, J.; Habovstiak, J.; Dukat, I. 1966: Problems of increasing production of wire-bent herbages Nardetum strictae L. Pol'nohospodarstvo 12(6): 439-48

Kuz'min, V.P. 1970: Problems of increasing yield of spring wheat in northern Kazahstan. Dokl. vses. Akad. sel'skohoz. Nauk Lenin. (Rep. All-Un. Lenin Acad. agric. Sci.). 4, 2-5

Van Albada, M. 1968: Problems of individual selection in inbred populations. Meded. Inst. Pluimveeteelt " Het Spelderholt ". Beekbergen, 155, 12-28, 147

Polak, H.E.; Toubia, N.; Bamdad, N. 1964: Problems of Infant Nutrition Amongst the Urban Population of Iran. Journal of Tropical Pediatrics and African Child Health 10: 98-104

Krey, H.G. 1964: Problems of information work in the pesticide field. Chem. Tech 16(4): 233-6

Martelli, G.M. 1965: Problems of insect pest control in olives. Inf. fitopat 15: 18-25

Farkowski, C. 1967: Problems of institutional influences on agriculture in Poland. Postepy Nauk roln, Warszawa 1: 65-79

Matzold, G. 1967: Problems of instruction in the subject technology of agricultural production in specialized studies in the agricultural faculties of East Germany. Z. Agrarokonomik, Berlin 10(3): 127-33

Dusza, J. 1969: Problems of insurance in agriculture. Wies wsp ohzesna, Warszawa 11: 31-47

Gumarov, B. 1965: Problems of intensification and economic efficiency of sheep breeding. Vestnik sel'skohozjajstvennoj Nauki, Alma-Ata 8(1): 3-9

Belozercev, A.G. 1964: Problems of intensification of grain production. Vestnik sel'skohozjajst-vennoj Nauki, Moskva 9(9): 111-8

Vorob'ev, G. 1970: Problems of intensification of grain production. Vop. Ekon., Moskva. 23(10): 40-9

Trepachev, E.P. 1970: Problems of intensifying the accumulation of biological N. Biologicheskii azot v zemledelii nechernozemnoi zony SSSR, Moscow, USSR, 'Kolos', 5-26

Singh, P. 1967: Problems of intensity and cycle in thinning. Indian For 93(2): 81-6

Vliet, H.Van 1966: Problems of interdisciplinary co-operation. Stimulants to social development in slow growing regions. Proc. Symp. Banff, Alberta, Sept. 6-9, Vol. II, Banff: Alberta Dep. Agric. and Dep. Agric. Econ. Univ. Alberta/Univ. Br. Columbia., 78-83

Lidshi, M.; Atitsch, S.; Brusarski, K. 1971: Problems of international socialist division of labour in the field of agriculture. Internationale Zeitschrift der Landwirtschaft. Berlin 4: 388-395

Wuster, E. 1970: Problems of international standardization of saw blades. Holz Roh- u. Werkstoff 28(9): 357-62

Coleman, F. 1966: Problems of introducing machines to small cultivators. Mechanization and the world's rice. The proceedings of a Conference to support the International Rice Year of the Food and Agriculture Organisation of the United Nations, 26th September-1st October 1966 Coventry, UK, Coventry: Massey-Ferguson (Export) Ltd

Davidjan, G.G. 1968: Problems of introducing monecious hemp into agriculture. Len i Konoplja Flax and Hemp 8, 30-31

Hubay, R. 1966: Problems of introducing periwinkle ( Vinca minor) into cultivation and the effect of mineral fertilization. Herba hung 5(1): 17-23

Miletic, S. 1969: Problems of introduction and improvement of ewes' milk hard cheese manufacture in Ravni Kotari. Mljekarstvo 19(10): 224-31

Konstantinova, A.M. 1970: Problems of investigating the use of heterosis in the first generation in breeding lucerne. Selekcija i Semenovodstvo (Breeding and Seed-growing), 3, 28-32

Cavazza, L. 1968: Problems of irrigation with brackish water in Italy. Saline Irrigation for Agriculture and Forestry, Junk N. V., The Hague., 53-79

Marthelot, P. 1968: Problems of joint undertaking in rural society in the Maghreb. Revue tunisienne Sci. sociales, Tunis. Dec, 93-106

Smith, W.H. 1968: Problems of keeping quality of cut flowers. Sci. Hort 20: 78-81

Gaspar, L. 1970: Problems of laboratory selection in breeding cereals for protein. Agrartudomanyi Kozlemenyek 29(3): 291-301

Esin, S.; Curakov, V. 1970: Problems of labour force in rural districts. Plan. Hoz, Moskva 46(2): 27-30

Chochola, R. 1964: Problems of labour force in the raising of agriculture to the level of industry. Prace a Mzda, Praha, Praha 12(9): 411-7

Petkov, P. 1971: Problems of labour organization and payment for livestock and forage production brigades on the farms. Ikonomika selskoto Stopanstvo. Sofija 8(2): 49-66

Petkov, L. 1971: Problems of labour payment in crop production at (Bulgarian) agro-industrial complexes. Problemi na Truda. Sofija 13(6): 40-51

Penev, T. 1967: Problems of labour productivity on co-operative farms. Selskostop. Nauka, Sofija 6(4): 47-58

Silbiger, S. 1965: Problems of labour productivity on state farms in Serbia. Ekon. Poljopr, Beograd 12(6): 437-44

Andreev, N. 1968: Problems of labour utilization for livestock husbandry on co-operative farms. Sbornik nauc. sesija posvetena na IX kongr. BKP, 13-14. XII., Sofija, Bulgaria: Zemizdat., 105-26

Lohr, H. 1970: Problems of lactation physiology in partly automated milking. Mh. Vet-Med 25(2): 59-60

Cegielski, L. 1967: Problems of land consolidation in Poland. Wies wspolczesna, Warszawa, 11: 6 (124), 17-27

Vanwekden, M. 1966: Problems of land organization. Revue Agric, Bruxelles 10: 1079-85

Aktan, R. 1966: Problems of land reform in Turkey. Middle E. J, Washington, DC. 20(3): 317-34

Jacoby, E.H. 1965: Problems of land taxation. Inf. Ld Reform Ld Settlem Co-op 2: 1-2

Pico, R. 1964: Problems of land tenure reform in Latin America. J. Inter-Am. Stud, Gainesville, Fla 6(2): 143-56

Enyedi, G. 1968: Problems of land use in hill regions of Hungary. (Mitt. Agr.-Geogr. landw. Reg.-Plan., ausl. Landw. Nr. 31.). Wiss. Z. Univ. Halle, Halle-Wittenberg 17(2): 343-51

Ebel, M.; Gold, H.; Quellmalz, J. 1967: Problems of laws affecting business in the gradual changeover to industrialized methods of management in agriculture and the food industry. Staat Recht, Berlin 16(9): 1416-25

Avcin, M. 1965: Problems of life and nutrition in Gypsies. Munch. med. Wochenschr 107: 1502-1507

Koch, B. 1964: Problems of lime tolerance in lupin species. Wiss. Z. Karl-Marx-Univ. Leipzig : Math. naturwiss. Reihe. 716

Kurzweg, W.; Winkler, K. 1971: Problems of liquid manure disposal. Probleme der Gullewirtschaft, Jena: Gustav Fischer, Price: 12M

Desjatov, V.G. 1966: Problems of livestock intensification. Problemy intensifi-kacii skotovodstva, Moskva: Kolos, 423. Price: Rbl.0

Lensch, J. 1965: Problems of livestock keeping for meat production in East Africa. Ber. Landw, Hamburg 43(2): 367-76

Platzer, F.; Bettini, T.M. 1965: Problems of livestock production in the EEC. Produz. animale. Naples 4: 105-84

Ziegler, H.; Polten, R.; Feix, E.; Have-Mann, K. 1971: Problems of location of pig production in East Germany. Wissenschaftliche Zeitschrift der Universitat Rostock. Rostock 20(2): 117-126

Csete, L.; Halasz, K. 1966: Problems of long-range development of collective farms on the northern shores of Lake Balaton (Hungary). Gazdalkodas. Budapest 10(5): 33-52

Korobova, E.N.; Bedarev, S.A. 1970: Problems of long-term agrometeorological prediction of yields of pasture vegetation. Probl. Osvoen. Pustyn'. 3, 25-32

Morag, M.; Smith, D.R. 1971: Problems of long-term jugular cannulation in the ewe. Research in Veterinary Science 12(2): 192-194

Chaturvedi, R.N. 1967: Problems of losses in marketing foodgrains in India. Agric. Mktg, Delhi 10(1): 1-4

Chisholm 1970: Problems of maintenance haemodialysis. Biomedical Engineering 5(4): 190-192

Pastyrik, V. 1969: Problems of maintenance breeding in hops. Chmelarstvi 42: 55-6

Lissizyn, W.; Popow, G. 1968: Problems of management (USSR). Sowjetwiss./Gesellsch.-Wiss. Beitr., Berlin 10: 1040-7

Mateev, E.E.Al 1967: Problems of management and planning the improvement of the national economy. Contributions to the scientific session of the Karl Marx Higher Institute of Economics, Sofia, 1-3 June, 1966. Problemi na usavarsenstvuvane upravlenieto i planiraneto na narodnoto stopanstvo. Sbornik-materiali ot naucnata sesija na VII " K. Marks "-Sofia, sastojala se ot 1 do 3 juni g, Sofija: Nauka Izkustvo., 322

Wirth, A. 1967: Problems of management with dessert apple cultivation. Schweiz. Z. Obst- u. Weinb 103: 340-7

Czyszkowska-Dabrowska, J. 1972: Problems of managing state land fund lands by (Polish) collective farms. Zagadnienia Ekonomiki Rolnej. Warszawa 2: 12-28

Gaztt, S. 1970: Problems of mango nutrition in calcareous soils. Proc. Conf. trop. subtrop. Fruits, trop. Prod. Inst. 1970. 217-20

Ledl, C.; Mach, I. 1966: Problems of manpower supply in agriculture. Wiss. Z. Humboldt-Univ., math.-naturw. Reihe. Berlin 15(4): 539-47

Weber, A. 1971: Problems of market structure and marketing. Landwirt. Marktforsch. Dt., Mun-chen. 1971: 241-61

Verrini, L. 1970: Problems of marketing Pecorino cheese. Scienza e Tecnica Lattiero-Casearia 21(5): 329-343

Shrikant Rao, P.V. 1968: Problems of marketing in khadi and village industries. Khadi Gramodyog, Bombay 14(12): 821-8

Radic, D. 1968: Problems of marketing milk and milk products. Hrana i Ishrana 9(4): 289-93

Iyer, T.A.H. 1970: Problems of match industry with special reference to availability of raw materials, particularly wood suitable for the manufacture of matches. Van-Vigyan 8(1): 35-41

Mattingly, W.H. 1964: Problems of meat processing and cattle marketing in the north of Western Australia. Farm Policy, Perth. 4(2): 60-7

Malkowski, J. 1971: Problems of meat production. Wies wspolczesna., Warszawa. 2: 50-63

Reichert, J. 1971: Problems of media selection in the joint promotion of food sales. Agrarwirtschaft. Hannover 20(9): 292-297

Sambeth, W. 1964: Problems of method in biological evaluation of protein with albino rats, demonstrated with soya bean oilmeal. Thesis Rheinische Friedrich-Wilhelms-Univ., Bonn. 140

Stubner, H.; Ziesing, H. 1969: Problems of method in determining focal points for rationalization in the production of standing timber. Arch. Forstw, 18: 9/10, 1129-37

Smierzchalska, K. 1965: Problems of method in the application of neutron-irradiated rock phosphate in studies on its fertilizer value. Roczn. Naukro In, 90A: 130-150

Bellmann, K. 1967: Problems of method in the breeding of cross-pollinating plants from the point of view of quantitative genetics. Tagunsber. dtsch. Akad. LandwWiss, Berlin, 95, 237-47

Becker, M. 1969: Problems of method in the production of long-term wood-requirement forecasts. Forstarchiv 40(5): 77-80

Alihanjan, S.I. 1967: Problems of methodology in genetics. Vopr. Filos. (Probl. Philos.), 12, 82-92

Salerno, A. 1969: Problems of milk production and utilization. Industrie agr 7(2): 70-79

Kulpe, E. 1966: Problems of milk yield decline in herringbone parlour milking. Dte Agrartech 16(12): 536-39

Sachl, J. 1969: Problems of minimum cultivation in hop gardens. Chmelarstvi 42: 59-61

Vlachynsky, K. 1964: Problems of mitigating differences in the level of income of production co-operatives farming under different conditions of production. Finance a Uver, Praha 7: 105-13

Mahajan, B.M. 1964: Problems of mixed cropping. Econ. Affairs (Calcutta), Jan 9(1): 65-80

Zimmermann. 1967: Problems of modern grass breeding. Ber. Pflanzenz., Quedlinburg 66, 1967. 37-41

Dorofeev, V.F. 1969: Problems of modern wheat phylogeny and systematics. Vestn. sel'skohoz. Nauk. (Rec. agric. Sci.), 3, 25-35

Kaplan, R.W. 1968: Problems of molecular biology in the origin of life. Naturwissenschaften 55: 97-104

Sokolov, P.V.; Lovkis, I.V. 1968: Problems of monitoring the current moisture content of wood during kiln drying. Materialy Naucno-Tehniceskoj Konferencii goda. Lesotehniceskaja Akademija,Leningrad, USSR: 1968. 109-13

Drozdov, G. 1968: Problems of mountain livestock farming. Ekon. sel'.Hoz, Moskva 43(2): 61-7

Scott, R.F. 1965: Problems of multiflora rose spread and control. Trans 30th North American Wildl and Nat. Reserv. Conf, 360-77

Namkoong, G. 1970: Problems of multiple-trait breeding. Second world consultation on forest tree breeding, Washington, DC, USA, 7-16 August, Rome, Italy, FAO 1: 775-781

Ursiny, J.; Groch, L. 1967: Problems of mycoioxicoses of farm animals and their prevention in Czechoslovakia. Vet. Med. Praha 12: 311-320,

Angarski, T. 1969: Problems of net income formation in agriculture. Probl. truda, Sofija. 11(7): 14-25

Capot-Rey, R. 1964: Problems of nomadism in the Sahara. Int. Labour Rev, Geneva. 90(5): 472-87

Raic, A. 1966: Problems of normal income in (Yugoslav) agriculture. Ekon. Poljopr, Beograd 13(12): 893-901

Vegh, G.; Kovacs, J.; Rada, K. 1967: Problems of nutrient supply to forced paprika and tomato with special reference to molybdenum mobility. Keszthelyi Agrartud. Foisk. Kaidvanyai 9(8): 1-24

Harig, H. 1971: Problems of nutrition in flowerbulb forcing. Dtsche Gartnerborse 71: 188

Dube, J. 1971: Problems of objectives and fixing objectives for cooperatives. Arch. Off. Freigemeinnutzige Unternehmen, Gottingen 9(2): 97-108

Fetisov, M.I. 1966: Problems of occupational hygiene in work with herbicides of 2,4-D group. Gig Sanit 31(9): 28-30

Fetisov, M.I. 1966: Problems of occupational hygiene in work with herbicides of the 2, 4-D group. Gigiena i Sanitarija, Moskva 31(9): 28-30

Jegouzo, G. 1968: Problems of occupational mobility in regional agricultural populations. Economies Soc. (Cah. ISEA), Geneve 2(1): 103-28

Schroder. 1970: Problems of operational technology in the logging of small wood. Allg. Forstzeitschr, 25: 51/52, 1088-1090

Galev, T.; Anakiev, B. 1966: Problems of organization among economic units on large-scale socialized farms. Socijalisticko Zemjo-delstvo, Skopje 18(1/2): 1-11

Horvath, E. 1968: Problems of organization and labour economics of the leading workers in (Czechoslovakian) unified agricultural co-operatives. Medzina-rodne Sympozium o vedeckej organizacii Prace v Polnohospodarstve, 31.10.-3.11.1967, Bratislava. Bratislava: Slovak Natn. Coun.; Soil Economy Publishing House., 227-42

Certorogov, P.A.; Kovalev, A.E.; Podzemel'nyh, A.I. 1967: Problems of organization and management in state farms in Kazakhstan. Vest. sel.-hoz. Nauki, Alma-Ata 10(5): 3-7

Rozenbljum, B.M.; Tihonovskij, N.S.; Sabarsina, M.L. 1969: Problems of organization in the milk/vegetables/potato production zone near Minsk. Voprosy razmescenija i speciali-zacii sel'skohozjajstvennogo proizvodstva BSSR, Minsk: Urozaj., 20-40

Dimitrov, M. 1970: Problems of organization of production and labour on (Bulgarian) agricultural enterprises. Otc. Kontrol selskoto Stop., Sofija 15(7): 290-5

Penkner, G. 1972: Problems of organizing agricultural vocational and specialized schools. Forderungsdienst 20(3): 73-79

Pfeiffer, A. 1967: Problems of organizing sugar-cane production in Cuba. Beitr. trop, subtrop. Landw. Tropenvet.-Med, Leipzig 5(3): 255-64

Iya, K.K.; Srinivasan, M.R. 1964: Problems of packaging of dairy products. Indian Fd Pack 18(1): 21-27

Madanov, P.V.; Tyurmenko, A.N. 1968: Problems of palaeopedology and evolution of soils of the chestnut zone of Kazakhstan. Pochvovedenie, 9, 3-11

Muller, A. 1971: Problems of part-time farming in mountain areas. Forderungsdienst 254-261

Casarini, B.; Antonellini, E.; Rittore, F.; Silvestri, G. 1969: Problems of pea cultivation in Emilia. Agronomic and phytopathological observations on the behaviour of some varieties tested during 1967-68. Sementi elette 15: 230-48

Van Tiel, N. 1969: Problems of pesticide tolerances, residues and intake. Publ. Eur. Mediterr. Pl. Prot. Org., Ser. A. Paris, 55, 23-32

Thomas, E. 1966: Problems of philosophy and method in molecular genetics. Philosophisch-methodologische Probleme der Molekulargenetik, VEB Gustav Fischer Verlag, Jena., 200

Henniger. H 1968: Problems of physiological and biochemical resistance to blight in connexion with problems of breeding for resistance to potato blight. Vestn. Ustr. zemed. potravinar. Vyzk, 489-90

Schmutz, W. 1969: Problems of physiological resistance in cereals. Vortr. PflZucht., Frankfurt/Main. 12: 105-22

Glawischnig, E. 1965: Problems of pig rearing. Wiener Tierärztliche Monatsschrift 52: 912-919; 985-997

Weber, G. 1970: Problems of planning dairy plants. Dte Milchw 21(6): 210-212; 214-218

Pawlowski, K.; Mandecka, L. 1970: Problems of planning fruit and vegetable production based on levels of consumption. Zagad. Ekon. roln., Warszawa. 1(97): 27-40

Lemesev, M. 1966: Problems of planning in agriculture. Vop. Ekon, Moskva 53-62

Wellisch, P. 1967: Problems of planning trial series in varietal comparisons. Tagungsber. dtsch. Akad. LandwWiss. Berlin, 86, 51-55

Sengbusch, R.Von. 1969: Problems of plant breeding. Saatgutwirtschaft 21: 403-05

Schuphan, W. 1966: Problems of plant breeding from a biochemical point of view. Qual. Plant. Mater. veg 13: 3-46

Geshele, E.E. 1968: Problems of plant immunity in wheat and barley breeding. Sb. nauchn. tr. Vses. selekts.-genet, in-t, 8, 353-364

Goidanich, G. 1965: Problems of plant protection in market gardening. Inf. fitopat 15: 2-11

Hey, A. 1967: Problems of plant protection in the step by step change-over to industrial type of organization and direction in agriculture. Feldwirtschaft 8(3): 117-9

Gohler, F. 1968: Problems of plant protection with modern production methods in forced vegetable growing. NachrBl. dtsch. PflSchDienst, Berlin 22: 189-92

Klinkowski, M.; Kegler, H.; Schmelzer, K. 1964: Problems of plant virus research. Proc. dtsche Akad. Landw-Wiss, Berlin 13(7): 59. bibls

Karikari, S.K. 1970: Problems of plantain (Musa paradisiaca Linn.) production in Ghana. Ghana Fmr 14: 52-4

Gaitskell, A. 1968: Problems of policy in planning agricultural development in Africa south of the Sahara. Economic development of tropical agriculture, Gainesville, Fla., USA: Univ. Fla Press, 214-239

Gaitskell, A. 1968: Problems of policy in planning the Indus Basin investment in West Pakistan. Economic development of tropical agriculture, Gainesville, Fla., USA: Univ. Fla Press, 183-213

Philippe, J.M. 1968: Problems of pollination and bacterial canker to be considered in the establishment of cherry orchards in Turkey. J. Yalova hort. Res. Training Cent 1(2): 9-16

Frimmel, G.; Gaul, H. 1969: Problems of polyploidy breeding in cereal species. Vortr. Pflanzenz, Frankfurt, 12, 261-85

Borowiec, J. 1970: Problems of potassium management in Polish chernozems. Annales Universitatis Mariae Curie-Sklodowska. Sectio E, Agricultura 24: 79-104

Abeijon Veloso, J. 1965: Problems of potato growing for the starch factory. ASPAS, Madr, 56, 1-14

Pushkarnath. 1970: Problems of potato varieties in India. Exp. Agric 6: 181-90

Davies, J.E.; Edmundson, W.F.; Schneider, N.J.; Cassady, J.C. 1968: Problems of prevalence of pesticide residues in humans. Pestic. Monit. J, Atlanta, Ga 2(2): 80-85

Lacko, I. 1967: Problems of private plot farming in hilly regions. Tudom. Mezogazdasag, Budapest, Budapest. 5(3): 41-6

Colaghis, S.; Mourghiannis, P. 1968: Problems of production and consumption of milk and milk products in Greece. Atti III Simp. int. Zootec, 783-87

Popovic, D.V. 1966: Problems of productive co-operation with peasant producers in irrigated agriculture. Ekon. Poljopr, Beograd 13(6): 413-31

Jepsen, G.T. 1969: Problems of productivity in agriculture. Tolvmandsbladet, Kbenhavn 41: 603-13

Acsay, F. 1966: Problems of profitability in caking rough fodder. Gazdalkodas. Budapest 10(4): 69-85

Kopyrin, A.V.; Selivanov, A.V.; Getta, G.I.; Norkina, Z.A.; Ovsyanov, N.I. 1964: Problems of prophylaxis and treatment of diseases of farm animals. (Omsk: Sibirskii nauchno-issled. vet. Institut Sbornik nauchnykh rabot No. 12). Voprosy profilaktiki i lecheniya boleznei sel'skok-hozyaistvennykh zhivotnykh, 283. Price: 80 kop,

Salimov, B. 1970: Problems of prophylaxis of animal dicrocoeliasis. Veterinariia (4): 71-72

Mlssonnier, J., E.Al. 1964: Problems of protection against cabbage fly, onion fly and carrot fly in relation to the development of strains resistant to chlorinated hydrocarbon insecticides. Phyfiat.-Phyto-pharm, Paris 13: 15-32

Missonnier, J.; Arnoux, J.; Portier, G.; Oudinet, R.; Andre, M. 1964: Problems of protection against the cabbage, onion and carrot flies, in connection with the development of strains resistant to organo-halogenated insecticides. Phytiatrie-Phytopharmacie 13(1): 15-32

Freimuth, U.; Krause, W. 1969: Problems of protein denaturation during production of lactose from whey. Lebensmittel-Ind 16(1): 17-21

Bacsa, P. 1970: Problems of quality in breeding winter wheat. Oszi buza hibridek minosegi problemai Agrartudomanyi Kozlemenyek 29(3): 347-353

Csatari-Szuts, K.; Balint, I., M. 1970: Problems of quality in industrial peas. Kertgazdasag 2(1): 25-39

Csatari-Szuts, K.; Balint, I. 1970: Problems of quality in processing peas. Kertgazdasag 2(1): 25-39

Kiss, A.; Videki, L.; Feher, B.; Ii. 1970: Problems of quality in triticale. Agrartudomanyi Kozlemenyek 29(3): 281-290

Tomassi, G.; Cigna, A.; Mariani, A.; Migliaccio, P.A.; Spadoni, M.A. 1968: Problems of radioactive contamination in man. 137Cs and 90Sr in the diet and urine of Italian population groups of different ages. Quad. Nutrizione. 28: 397-408

Kohan, S. 1969: Problems of raising Populus 'Robusta' in stands on the E. Slovakian plain. Lesn. Cas 15(3): 193-210

Pubovik, A.I. 1970: Problems of raising labour productivity in livestock production. Povysenie effektiv-nosti sel'skohozjajstvennogo proizvodstva, Moskva, USSR: Mysl'., 76-91

Ninov, D. 1967: Problems of raising the incomes of (Bulgarian) co-operative peasants during 1959-64. Trud. Nauc.-izsled. Inst. Truda., Sofija, 8, 273-300

Sebestyen, J. 1969: Problems of rational location in Hungarian agriculture. Regional Science Association: Papers, XXII (Budapest Conf. ). Philadelphia, Pa: Reg. Sci. Ass., 141-7

Sinjukov, M.I. 1966: Problems of rational utilization and replacement of agricultural machinery. Izv. Timirjazev. Sel'-hoz. Akad, Moskva 6: 200-8

Janert, H. 1967: Problems of re-cultivation of swampy and salinized irrigated lands of arid regions. Trans 8th int. Congr. Soil Sci 2: 909-921

Okruszko, H.; Szuniewicz, J. 1969: Problems of reclaiming grasslands on peat soil under conditions where poss1bilities for irrigation are limited: an example in the Upper Biebrza River valley, Poland. Wiad. Inst. Melior. Uzyt. Zielonych 8(2): 11-29

Kovda, V.A. 1966: Problems of reclamation of soils in the USSR. Izv. Akad. Nauk SSSR Ser. biol, 6, 785-815

Sitte, P. 1966: Problems of reduplication in biology. Probleme der biologischen Reduplikation, Springer-Verlag, Berlin., 412. Price: DM 58

Hamilton, C.L. 1969: Problems of refeeding after starvation in the rat. Annals of the New York Academy of Sciences 157(2): 1004-1017

Astier, D.; Jegouzo, G. 1967: Problems of regional agricultural accounting. Rech. Econ. Sociol. rur., Paris. 1: 33-52. Bibl

Anonymous 1967: Problems of regional management of the Zulawy region in the Vistula river delta. Z zagadnien przestrzennego zago-spodarowania Zulaw deity Wisly, Warszawa : Inst. Podstawo-wych Probl. Plan. Przestrzennego Politechn. Warszawskie., 125

Schulte-Uentrop, B. 1969: Problems of regional planning and structural improvement in disad-vantaged areas.. (Arb.-Gemeinsch. Rationalisierung Landes Nordrhein-Westfalen 109.). Beitrage zur Strukturver-besserung in landlichen Raumen Nordrhein-Westfalens, Dortmund, Germany: Verkehrs- Wirt.-Verlag Dr. Borgmann., 27-40

Perenyi, I. 1964: Problems of reorganizing Hungarian historic village settlements. Telepulestudomany i Kozlemenyek, Budapest, 16, 12-31

Bonadonna, T. 1965: Problems of reproduction. Zootec. e Vet 20: 4-22

Bonadonna, T. 1968: Problems of reproduction with animals and artificial insemination in some East European countries. II. U.S.S.R. Red Med. vet, EC. Alfort 144: 665-682

Bonadonna, T. 1968: Problems of reproduction with animals and artificial insemination in some East European countries. III. Bulgaria, Romania and Hungary. Red Med. vet, EC. Alfort 144: 779-787

Holtmann, H.; Khoramtussi, G. 1968: Problems of residue-film bioassay with Drosophila melanogaster. Entomologie Phviopath. appl, 27, 133-146

Grossklaus, D. 1971: Problems of residues in farm animals and foods. Bundesgesundheitsblatt 14(4): 37-43

Lorenzetti, F.; Rlbaldi, M. 1970: Problems of resistance in lucerne ecotypes. Genet. agr., Pavia 24(1): 65-84

Nalson, J.S. 1965: Problems of resource use on the family farm. Aust. J. Agric. Econ, Sydney 8(1): 46-56

Sturm, M. 1967: Problems of retaining carbon dioxide in the greenhouse atmosphere. Z. PflErnahr. Bodenk 116: 177-90

Toriyama, K. 1965: Problems of rice cultivation affecting the montane agricultural zone of the Chugoku region, with special reference to the varietal situation. Nogyo oyobi Engei/Agric. & Hort 40: 641-44

Berdysev, V.D.; Daulbaev, E.A. 1970: Problems of rice growing and irrigated agriculture. Vestn. sel'skohoz. Nauk. (Rec. agric. Sci.). 1, 143-46

Berben, J.C. 1968: Problems of rooting in sandy soils. Bull. Soc. For. Belg 75(5): 233-49

Baldacci, E.; Refatti, E. 1965: Problems of rootstocks in connexion with virus diseases of pome fruits. Pubbl 1st. Patol. veg. Univ. Milano 26(9): 8

Vez, A. 1964: Problems of rotation on farms without stock. Schweiz, landw. Forsch 3(1): 34-41

Takes, C.A.P. 1964: Problems of rural develop, ment in Southern Nigeria. Tijdschr. Koninklijk Nederlandse Aardrijkskundig Genootschap, Amsterdam 81(4): 438-52

Muga, E. 1971: Problems of rural development in Kenya-a sociological case study of social change in the Kano Plains. Journal of Eastern African Research and Development. Nairobi 1(1): 41-68

Bergeron, R. 1969: Problems of rural life in Sardinia. Revue Geogr. Lyon, Lyon 44(3): 250-80

Warriner, D. 1970: Problems of rural-urban migration: some suggestions for investigation. Int. Labour Rev., Geneva. 101(5): 441-51

Pifano, C.F. 1970: Problems of schistosomiasis mansoni in Venezuela. Acta med. venez 17(3/4): 83-96

Sachs, E. 1970: Problems of seed harvesting in the most important grasses. Results of recent experiments. Buyer. landw. Jb 47(1): 86-101

Breitenstein, K.-G.; Heim, P. 1971: Problems of selection during fattening of young bulls of hill breeds. Arch. Tierz, ForschZent. Tierprod. Dummersdorf-Rostock, Inst. Rinderzucht, Clausberg., 14: 237-244

Poutous, M. 1966: Problems of selection for suitability for milking. Annls Nutr. Aliment, 20 (Revues): 57-73

Admin, E.I.; Migacheva, N.A. 1967: Problems of selection of cows for machine milking. Zhivotnoyodstvo. Mosk 29(6): 80-83

Mirjuta, M. o. K.; Mirjuta, M. 1967: Problems of selective fertilization in plants. Genetika (Genetics), Moskva, Moskva, 5, 150-61

Ismawan, B.; Soemartojo. 1970: Problems of self-help among farmers (in Indonesia). Agro-Ekonomika. Djakarta 1(1): 90-111

Jaulin, R.; Bonnal, C.; Bernard, P. 1967: Problems of self-management in large Algerian farms in 1963. Autogestion, Paris 2: 3-44

Hohrjakova, A.N.; Rjazancev, E.M. 1969: Problems of selling vegetables in the Chimkent district. Vest, sel',-hoz. Nauki, Alma-Ata 12(9): 8-11

Gajos, E. 1970: Problems of serological classification of Brucella. Archives de l'Institut Pasteur de Tunis 1. Norwida 29, Wroclaw, Poland 47: 1-11

Misra, S.D. 1969: Problems of service co-operation. Madras J. Co-op., Madras 60(10): 495-501

Sidorskij, A.G. 1968: Problems of sexual differentiation and productivity in glasshouse cucumbers in relation to pre-sowing seed irradiation with gamma rays. Uc. Zap. gor'kovsk. gos. ped. Inst, 78, 49-59

Vidanovic, M. 1969: Problems of sheep breeding in Yugoslavia. Stocarstvo 23: 11/12, 345-54

Choudhury, A.M. 1964: Problems of silvicultural research in Mangrove forest of East Pakistan. Pakistan Journal of Forestry 14(4): 284-93

Weiling, F. 1969: Problems of simple and multiple regressive correlation analysis. Acta Univ. Agric. (Fac. Agroecon. Ser. D.), Brno 5(2): 112-24

Anonymous 1966: Problems of site fertility. Sveriges SkogsvForb. Tidskr 64(6): 579-634

Stengel, V.; Slepicka, A. 1965: Problems of siting farm buildings and housing from the production point of view. Zemed. Ekon, Praha 6: 336-46

Garrigues, A. 1970: Problems of skilled rural labour in Madagascar. Terre Malagache, Univ. Madagascar, Tananarive. 7: 171-93

Laczko, I. 1964: Problems of sloping terrain in the county of Borsod. Gazdal-kodas, Budapest 8(3): 17-33

Page, V.S. 1968: Problems of small farmers and solutions thereof. Seminar on problems of small farmers, Bombay, 27-29, Bombay: Indian Soc. agric. Econ., 9-17

Gatta, C. 1964: Problems of social insurance in agriculture. Ascertaining the labour force in the southern and insular provinces of Italy. Previdenza sociale Agr. (Roma), Maggio/Giugno 15(3): 153-162

Kozakiewicz, M. 1968: Problems of social promotion through education. Wies wspolczesna, Warszawa, 13: 6 (136), 42-52

Patuzzi, A. 1968: Problems of social security in agriculture. Previdenza sociale Agric, Roma, /2, 9-13

Bicanic, R. 1964: Problems of socialist agriculture. Indian J. agric. Econ, Bombay, /4, 173-85

Felbur, S. 1968: Problems of socializing agriculture in Poland. Stud. Ekon., Warszawa 19: 5-18

Carrico, J. 1971: Problems of socio-economic development in Angolan agriculture. Reordenamento. Luanda, -6

Vroon, L.J. 1965: Problems of socio-economic development in Surinam II. Tijdschr. econ. sociale Geogr.'s-Gravenhage 56(2): 62-8

Baehr, J. 1969: Problems of socio-economic structure in the farming areas of South West Africa. Z. Wirt.-Geographie, Hagen 5: 129-39. Bibl

Musierowicz, A. 1964: Problems of soil acidity. Postepy Nauk roln 11(3): 33-46

Anonymous 1969: Problems of soil classification. The Soil Ecosystem, The Systematics Association, London., 9-17

Lange, A.H. 1967: Problems of soil contamination, accumulation of residues and the effect on subsequent cropping. Proc. west. Weed Control Conf 21: 30-31

Vollmer, Franz-Joseph. 1964: Problems of soil fertility and crop rotation. Report of a study tour to Denmark and Sweden in 1962. Ber. u. Landw. (Hamburg), Apr 42(1): 190-223

Ruckenbauer, W. 1968: Problems of soil health in high-trained vineyards. Mitt. Klosterneuburg 18: 243-56

Dobereiner, J.; Arruda, N.B.D.P.nteado, A.D.F. 1966: Problems of soybean inoculation in acid soils. Proc. ninth int. Grassld Congr. 1966. 2: 1153-1157

Caesar, K.; Ganesan, S. 1964: Problems of spacing in potato cultivation. Trop. Agric. Mag. Ceylon agric. Soc 70(2): 71-9

Leushin, S.G. 1970: Problems of specialisation of cattle breeding for meat and of increasing beef production in the south-eastern region of the U. S. S. R. Dokl. Nauch. Konf. Posvyashch. 50-let. Velik. Okt. Sots. Revolyuts., " Razvit. Spetsial. Myasn. Skotov. I Uvelich. Proizv. Myasa-Govyad" Orenburg. 9-23

Klocek, F. 1971: Problems of specialization in cattle husbandry. Internationale Zeitschrift der Landwirtschaft. Berlin 1: 39-43

Semenjuta, A.T.; Rjutov, L.G.; Svarc, V.E. 1971: Problems of specialization of industrial beef production. Vest. sel'.-hoz. Nauki, Moskva 16(1): 55-63

Marko, A. 1964: Problems of specializing agricultural production in Czechoslovakia. Polnohospodarstvo (Bratislava) 10(4): 317-320

Haisch, K.-H.; Betz, J. 1972: Problems of starter production. I. Techniques used in Bavarian dairies. Dte Molk.-Ztg. 93(17): 664-666

Haisch, K.-H.; Betz, J. 1972: Problems of starter production. II. Costs of different methods. Dte Molk.-Ztg. 93(18): 700-705

Ballard, A.B.; Jr. 1966: Problems of state farm administration. Soviet Stud, Oxford 17(3): 339-52

Besler, D. 1970: Problems of storing carrots in permanent stores. Dtsche Gartenb 17: 145-6

Lavabre, E.M.; Decazy, B. 1968: Problems of storing coffee beans in the producing countries. First data on the behaviour of Araecerus fasciculatus at controlled temperature and humidity. Cafe, Cacao, The 12: 321-42

Haenchen, E. 1968: Problems of stratification of rose rootstock seeds. Dtsche Gartenb 15: 270-2

Lazarov, S. 1965: Problems of structural calculation in agriculture. Ekon. Poljopr, Beograd 12(12): 876-86

Clark, C. 1969: Problems of subsistence agriculture. Z. ausl. Landw. Frankfurt a.M, Frankfurt a.M. 8(3): 229-47

Choma, D. 1969: Problems of substitution of capital for labour. Zemed. ekon, Praha, 15: 9/10, 545-56

Lovato, A.; Amaducci, M.T. 1970: Problems of sugarbeet seed analysis. Sementi Elette 16(1/2): 33-41

Muller, G. 1970: Problems of surpluses between price and structure policy (in the milk industry). Kraftfutter., Hannover. 53(11): 568-73

Mendras, H. 1969: Problems of surveys in rural communities. Sociol. Sela, Zagreb, 7: 23/24, 41-52

Comberg, G.; Spath, H.; Stephan, E. 1971: Problems of susceptibility to climate in domestic animals. IV. Pt 2. The reaction of German Landrace boar progeny groups to different climatic pen conditions. Zuchtungskunde 43: 253-267

Stephan, E.; Lorrmann, W.; Dycka, J. 1971: Problems of susceptibility to climate in domestic animals. The effect of experimental heat stress on bulls. 1st report: Some measurable ejaculate characters. Zuchthygiene 6: 19-38

Comberg, G.; Spath, H.; Stephan, E. 1970: Problems of susceptibility to climate in domestic animals. The reaction of German Landrace progeny groups to different climatic pen conditions. Zuchtungs-kunde. 42: 102-115

Comberg, G.; Feder, H. 1971: Problems of susceptibility to climate in domestic animals. V. The influence of thermal stress on milk composition in German Black Pied monozygotic twins. Zuchtungskunde 43: 394-413

Zavadil, R. 1966: Problems of syngamosis in large flocks of turkey-hens. Sb. vys. Sk. zemed, Brno 14: 427-439

Araviiskii, A.N. 1965: Problems of systemic mycoses (some results and aims of study). Problema glubokikh mikozov (nekotorye itogi i zadachi izucheniya), 23-25

Koczian, Z. 1969: Problems of tanya settlements in the region of Kecskemet. Teruleti Statiszt., Budapest 19(2): 190-210

Schubert, E. 1964: Problems of technique in testing trees for frost resistance. Tagungsber. dtsch. Akad. Landwirtschaftsw. Berlin, 65, 111-15

Kersting, F. 1970: Problems of technique in the application of herbicides. Ergebn 8. dt. Arbeitsbesprechung uber Fragen der Unkrautbiologie u. -bekampfung, Hohenheim, in Z. PflKrankh. PflPath. PflSchutz, 1970. 181-91. Bibl

Matzold, G. 1967: Problems of technology and step-production in agriculture. Wiss. Z. Univ. Rostock., Rostock 16(2): 143-52

Fuchs, H. 1969: Problems of testing the germination of hot-water treated and Ustilgan-treated cereal seed. Saatgut-Wirt 21(8): 9, 338-42; 378-82

Hammad, M.A.; Abdel Salam, M.A.; Hamdi, H. 1965: Problems of texture determina' tion in highly calcareous soils. J. Soil Sci. un. Arab Repub 5: 33-42

Pielen, L. 1968: Problems of the (West) German milk sector in the EEC. (Schr.-Reihe No. 3). Die Probleme der Milchproduktion und ihre Bedeutung fur die menschliche und tierische Ernahrung, Bad Godesberg: Forsch.-Rates Ernahrung Landw. Forsten., 13-20

Shubin, M.M. 1965: Problems of the Altai meadows. Russ. Zemledelie, 1, 65-70

Persaud, B. 1970: Problems of the Commonwealth Caribbean sugar industry. Cajanus, Trinidad 3(3): 132-9

Wirakusumah, S. 1965: Problems of the Sago Palm (Metroxylon spp.) in the Moluccas. Rimba Indonesia 10(2/3): 103-9

Pokin'cereda, A. 1964: Problems of the analysis of kolkhoz and sovkhoz economics with reference to their annual reports. Vestnik Stat, Moskva, 11, 65-72

Oliver, J. 1968: Problems of the arid lands: the example of the Sudan. Land use and resources: studies in applied geography. A memorial volume to Dudley Stamp. London: Inst. Br. Geographers., Spec. Publ. 1., 219-39

Bigi, F. 1966: Problems of the banana industry in Somalia in view of the liberalization of the Italian banana market. Riv. Agric. sub-trop. trop, Firenze, 60: 10/12, 363-413

Kohout, V. 1968: Problems of the binding of salts and esters of 2,4-D, MCPA and 2,4,5-T by the soil and natural adsorbents. Agrochemia, Bratislava 8(3): 86-9

Rubin, B.A.; Arcihovskaja, E.V. 1966: Problems of the biochemistry and physiology of plant immunity. Sel'skohoz. Biol. (Agric. Biol.). 1: 33-48

Orlova, K.B. 1967: Problems of the biological development of the onion in the first year. Trud. Volgograd, opyt.-selekc. Sta. (Trans. Volgograd exp. Breed. Sta.) (1966) : No. 4 : 75-89; from Ref. Z. (Ref. J.). 1967

Ernould, L. 1965: Problems of the breeding of sugar beet. Publ. tech. Inst. belge Amelior. Better, 2, 51-66

Lacrouts, M. 1969: Problems of the cattle industry in Africa. Revue Elev. Med. vet. Pays trop 22: 127-144

Michalski, K.-J. 1969: Problems of the co-operative tractor service in Tanzania. Beitr. trop.subtrop. Landw. Tropenvet.-Med, Leipzig 7(2): 93-110

Kunc, J. 1967: Problems of the concentration and combining of sectors in planning the specialization of agricultural production. Zemed. ekon, Praha 13(10): 637-43

Zoebelein, G. 1966: Problems of the control of injurious insects in agriculture in Iran. Ant. Schadlingsk, 39: pt. 1, 3-8

Zoebelein, G. 1966: Problems of the control of insect pests in Iranian agriculture. Anz. Schadlingsk 39: 3-8

Anonymous 1965: Problems of the conversion of low-yield forests in Bulgaria. Po problemite na rekonstrukcijata na niskoproduktivnite gori v NRB, Izdatelstvo na Balgarskata Akademija na Naukite,Sofia, Bulgaria: 267

Eichhorn, O. 1969: Problems of the determination of morphs in the genus Dreyfusia CB (Homoptera, Adelgidae). Z. angew. Ent 64(4): 437-46

Ritter, W. 1966: Problems of the determination of the strength of commercial rennet powders and extracts. Scienza Tec. latt.-casear 17(1): 1-16

Struzek, B. 1968: Problems of the development of (Polish) agriculture in 1969-1975. Wies wspolczesna, Warszawa 8(138): 3-12

Josse, R. 1971: Problems of the development of Hoggar and urban growth in Tamanrasset. Cahiers d'Outre-Mer. Bordeaux 24(95): 245-293

Jurik, V. 1966: Problems of the development of cultural-social activity in present rural areas (in Czechoslovakia). Sociol. Hist. Zemed, Praha 2(1): 1-18

Krndija, D. 1966: Problems of the development of our (Yugoslavian) agriculture. Pregled, Sarajevo 18(9): 193-216

Matei, I.I.; Matei, M.I. 1971: Problems of the development of the rural environment in the socialist Republic of Rumania. Revue roumaine des Sciences, Serie de Sociologie. Bucurest 15: 47-56

Rudalov, L. 1964: Problems of the division of labour on farms in Bulgaria. Trud. Viss. Ikon. Inst. "Karl Marks", Sofija 3(3): 165-207

Raskin, G. 1966: Problems of the economic efficiency of irrigation. Vop. Ekon, Moskva 54-65

Dyuev, I.F. 1968: Problems of the economic efficiency of the chemical weeding of flax. Ekonomicheskie problemy khimizatsii sel'skogo khozyaistva, Economic problems of the chemicalisation of agriculture, Nauka, Moskva, 143-8

Vana, V. 1967: Problems of the economics of calf rearing in high density housing. Zemed. ekon, Praha 13(12): 789-800

Anonymous 1969: Problems of the economics of forestry and protective afforestation. Problemy ekonomiki lesnogo hozjajstva i zascitnogo lesorazvedenija, Izdatel'stvo 'Kolos',Moscow, USSR: 135

Janovic, J.; Medved, J. 1966: Problems of the effectiveness of equalization of the standards of agriculture between various regions (in Czechoslovakia). Plan. Hospod, Praha 18: 103-13

Gonczi, I. 1964: Problems of the efficiency of fixed assets in agriculture, with special reference to mechanization. A Debreceni agrartudomanyi foiskola 64 evi Tudomanyos ulesszakanak eloadasai. Debrecem: Agrartudomanyi foiskola, 1964. 229-244

Kopak, M. 1967: Problems of the efficiency of mineral nitrogen fertilizers on highly calcareous sandy soil. Agrartud. Kozl 26: 291-300

Kozak, M. 1967: Problems of the efficiency of nitrogen fertilizers in highly calcareous sands. Agrartud. Kozl 26: 298-300

Bajlov, F. 1970: Problems of the essential profitability norm in the purchase prices of agricultural products. Ikon. selskoto Stop, Sofija 7(1): 75-90

Anonymous 1965: Problems of the estimation of breeding values of bulls. Biul. Zakl. hodowl, doswiad. Zwier. pol. Akad. Nauk. Warsaw: Panstwowe Wydawnictwo Rolnicze i Lesne, 6: 215

Zilahi-Szabo, M.G. 1971: Problems of the flow of information in farm accounting. Agrarwirtschaft, Hannover 20(7): 224-31

Geiler, H.; Theile, J. 1966: Problems of the fresh outbreak of Semasia diniana on Spruce in the upper Erzgebirge. Arch. Forstw, 15: 11/12, 1195-1205

Misiuna, W. 1965: Problems of the future development of agriculture in the western and northern regions of Poland. Ruch prawniczy, ekon. socjol, Poznan 27(2): 267-282

Stefanovtts, P. 1966: Problems of the genesis and classification of sandy soils in the zone of forest soils. Ust. ved. Inf. MZLH Rostl. Vyroba. 39: 660-663

Babadzanjan, G.A. 1970: Problems of the genetics of hybrid necrosis. Hayasdani Kensabanakan Handes (Armen, biol. J.) 23(11): 69-78

Rzendowski, L. 1965: Problems of the grain and feed balance (in Poland). Zagad. Ekon. roln, Warszawa, 1, 3-12

Nakonechnyi, N.S.; Sishnenko, Z.I. 1965: Problems of the hygienic assessment of meat and milk of cows with leukosis. Problemy borby s leikozom krupnogo rogatogo skota, Moscow: IzdateFstvo "Kolos", 187-96

Okiljbvic, V. 1967: Problems of the improvement of some Subtypes of parapodzol (psen-dogley) IE north-western Bosnia. Zemlj, Biljka, 16A: 495-502

Chanel, P. 1965: Problems of the indigenous Congolese agriculture. Int. Afrikaforum 1(5): 24-8

Struzek, B. 1967: Problems of the intensification of agriculture in COMECON countries. Democratie nouv, Paris May, 67-73

Selman, M. 1970: Problems of the intensive cereal grower. Agriculture, Lond. 77(1): 30-4

Zhirmunskaya, N.M.; Stonov, L.D. 1968: Problems of the interaction of atrazine suspensions with the soil. Khimiya sel'. Khoz, 6: 11, 841-4

Kuckuck, H. 1969: Problems of the maintenance of natural diversity and its use in breeding. Saatgutwirtschaft 21: 195-99

Damjanov, K. 1968: Problems of the material incentive in the distribution of the total income on co-operative farms. Ikon, selskoto Stop., Sofija 5(6): 73-87

Loch, J. 1964: Problems of the methods of determining plant-available Mg. Debr. agrartud. Foisk. tud. Kozl., 1964. 9: 223-231

Winkler, G. 1967: Problems of the milk industry within the general East German economy. Agrarokonomik, Berlin 10(6): 294-300

Macarthur, J.D. 1970: Problems of the multi-farm agency in agricultural development: some observations from East African experience. J. agric. Econ., Reading 21(1): 37-41

Dunger, W. 1969: Problems of the natural and experimental colonization, with lumbricids, of soils unsuitable for cultivation. Pedobiologia 9: 146-151

Pavsic, M.; Skusek, F. 1971: Problems of the placenta detachment mechanism in cattle. Deutsche Tierärztliche Wochenschrift 78(4): 106-109

Eichhorn, O. 1968: Problems of the population dynamics of Silver Fir woolly aphids, genus Adelges ( = Dreyfusia), Adelgidae. Z. angew. Ent 61(2): 157-214

Koci, J. 1969: Problems of the present (Czechoslovakian) system of managing agriculture and trends in their solution. Ekon. Zemed, Praha 8(7): 203-7

Dilanjan, Z.C.; Dilanyan, Z.K. 1969: Problems of the processing of ewes' milk in the USSR: collection of lectures. Problematika spracovania ovcieho mlieka v ZSSR. Subor prednasok, Zilina, Czechoslovakia: Krajsky Vybor Slovenskej Vedecko-technickej SpoloSnosti pre Potravinarsky Priemysel v Banskej Bystrici, 34

Ritter, W. 1970: Problems of the production of cheese from refrigerated milk with particular reference to Emmental cheese. Industrie Aliment. Pinerolo 9(3): 108-13

Becker, J. 1968: Problems of the profitable employment of credit in (W. German) agriculture. Agrarwirtschaft, Hannover 17(10): 297-303

Drews, M. 1964: Problems of the quality and yield in cheesemaking. Molkerei- u. Kasereiztg 15(1): 9-12; 14-15

Kuo-Min, C. 1964: Problems of the rational utilization of China's Grassland. Transl. Communist China's Fd Agric 1: 120-8

Horvath, E. 1967: Problems of the rationalization of work in livestock production from the point of view of the management of enterprises. Zemed. ekon, Praha 13(9): 591-602

Dzalilov, H.I. 1964: Problems of the raw-materials basis of the. Problemy syr'evoj bazy celljulozno-bumaznoj promyslennosti, Izdatel'stvo 'Lesnaja Promyslennost',Moscow, 258

Sinapov, D. 1970: Problems of the replacement and the profitability of agricultural machinery. Ikon. selskoto Stop., Sofija 7(7): 65-74

Martens, P.H. 1966: Problems of the residues of agricultural insecticides. Parasitica 22: 134-50

Firsov, V.F. 1970: Problems of the resistance of Potato varieties to Rhizoctonia. Vest, sel.'-khoz. Nauki, Alma-Ata, 1, 90-92

Tepicht, J. 1969: Problems of the restructuring of agriculture in the light of the Polish experience. Economic problems of agriculture in industrial societies. Proceedings of a conference held by the International Economic Association, London/Melbourne/Toronto: Macmillan., 534-54

Yanaihara, K. 1964: Problems of the rice trade between Burma and Japan. A case study on exports of primary products in underdeveloped countries. Developing Economies, Tokyo 2(1): 29-57

Chacko, V.I. 1969: Problems of the rubber plantation industry. Plrs' Chron, Madras. 64(16): 280-4

Loza, G. 1966: Problems of the scientific management of kolkhozy and sovkhozy. Ekon. sel'. Hoz, Moskva 42(12): 21-30

Rawald, W. 1969: Problems of the sorption and stability of enzymes in soil samples. Albrecht-Thaer-Arch 13: 231-239

Sharma, A.K. 1969: Problems of the structure and behaviour of chromosomes. Senshokutai (Chromosome)/Kromosomo. 75, 2449-50

Hammer, M. 1965: Problems of the structure of Sicilian agriculture. Probleme der sizilianis-chen AgrarStruktur, Basel: Kyklos Verlag, 63

Krilek, J.; Ledl, C. 1964: Problems of the systematized formation of prices for deliveries of agricultural products. Politicka ekon, Praha. 12(7): 597-609

Gancev, J. 1971: Problems of the technological quality of sugar beet and its sugar content. Kooper. Zemed. (Cooper. Fmg.), Sofia, 3, 23-25

Lowe, G. 1966: Problems of the territorial development of large-scale socialist farms in the vicinity of towns. Z. Agraroko-nomik, Berlin 9(8): 423-9

Jancuk, V.Z. 1969: Problems of the theory of kolkhoz law. Problemy teorii kol-khoznogo prava, Moskva: Juridiceskaja literatura., Price: Rbl.0

Gerlach, H. 1968: Problems of the treatment of Mycoplasma gallisepticum infection in fowls. Bert. Munch, tierarztl. Wschr 81: 448-452

Husemann, C. 1971: Problems of the utilization of sewage sludge in agriculture. Zeitschrift fur Kulturtechnik und Flurbereinigung 6(5): 260-274

Zlmmermann, H.; Engel, E.; Banholzer, G. 1970: Problems of the value of sprinkler irrigation in one-year continuous onion cultivation. Dtsche Gartenb 17: 192-3

Novotny, V. 1966: Problems of the-application and formation of reserves in (Czechoslovak) agriculture. Zemed. ekon, Praha 12(10): 607-18

Crow, G.B. 1964: Problems of timber measurement. Timb. Tr. J, 248: 4557, 45-6

Damjanov, K. 1971: Problems of total income distribution at the (Bulgarian) agro-industrial complexes. Problemi na truda. Sofija 13(5): 37-47

Holevas, C.D. 1968: Problems of trace element deficiencies and excesses in olive trees. Mem. gen. II Coloq. eur. medit. Contr. Fert. Plant, cult, Seville, 127-31

Ruthenberg, H. 1965: Problems of transition from shift cultivation and semi-permanent arable farming to permanent dry arable farming in Africa South of the Sahara. Agrarwirtschaft, Hannover 14(1): 25-32

Vaclav, E. 1969: Problems of tree breeding in Tanzania. Pap 2nd FAO/IUFRO World Consult. For. Tree Breed., Washington. FO-FTB-69-9/14, 8 + smry

Albrecht, H.R. 1970: Problems of tropical agriculture. International work on solutions. Standard Bank Rev., London. 2-7

Huth, F.W. 1966: Problems of type and methods of fattening in cattle. Z. Tierzucht. ZuchtBiol 82: 122-138

Manteuffel, R. 1965: Problems of types of production in agriculture. Roczn. Nauk roln. (Ser. G.) 77(4): 793-9

Meier, R. 1968: Problems of using correlation analysis in agricultural economics. Statist. Praxis, Berlin 23(1): 51-5

Egerer, K. 1970: Problems of using linear programming in the preliminary arrangements for using irrigation equipment. Erfahrungen, Erkenntnisse, Anwendung Sozialistischer Landwirtschaft. Gera 7(1): 16-22

Stangen, F. 1969: Problems of using technical agricultural equipment in development aid. Ber. Landw., Hamburg 47(1): 187-96

Vasilenko, M.; Kolesnev, S. 1966: Problems of utilization of labour resources in the countryside. Probl. Econ, New York 9(3): 15-23

Borel, P. 1968: Problems of utilizing economic theory to produce realistic plans. Dev. Civilisations, Paris., 35: 52-9. Bibl

Suvorova, L. 1964: Problems of utilizing human labour reserves in connection with the intensification of collective farm production. Voprosy Ekon, Moskva 17(8): 49-57

Dafni, I. 1968: Problems of vaccination against foot and mouth disease in Israel. Refuah Veterinarith 25: 85-88; 104-106

Andrasfalvy, A. 1969: Problems of varietal maintenance of vegetables in Hungary, with special reference to the mode of cross fertilization and selection. Agrartud. Kozl 28: 495-504

Norman, J.C. 1968: Problems of vegetable seed production in Ghana. Ghana Fmr, 7, 13-17

Cochrane, G.R. 1969: Problems of vegetation change in western Viti Levu, Fiji. Settlement and encounter (Geographical studies presented to Sir G. Price), Oxford University Press,Oxford, UK: 115-47

Schmithusen, J. 1966: Problems of vegetation history in Chile and New Zealand. Vegetatio 13(4): 189-206

Tamas, G. 1970: Problems of vertical co-operation in Hungary. Econ. rur, Paris 83(1): 89-93

Suba, S. 1969: Problems of vertical organizations of cooperative farmers. Acia Univ. Agric., (Fac. Agroecon Ser. D), Brno 4(4): 437-44

Strauch, D. 1967: Problems of veterinary hygiene in the disposal of waste water from abattoirs. Schlacht-und Viehhof-Ztg. 67: 205-212

Anonymous 1965: Problems of veterinary sanitation. Trudy vses. nauchno-issled. Inst. vet. Sanit, Tyumen, 26: 480

Bernstein, T.P. 1968: Problems of village leadership after land reform. China Q., London 36: 1-23

Tsvang, I.M.; Tikotskaya, K.M.; Pinchuk, L.M. 1970: Problems of vitaminization of foods widely consumed in the USSR. Voprosy Pitaniia 29(4): 76-79

Zaussinger, A. 1967: Problems of water-content determination in green plant material. Boden-kultur 18(2): 183-90

Nod, A.K. 1970: Problems of weed control in Japan. Bull. Kyushu Agric. Exp. Stn 15: 125-40

Khurtsidze, A.L. 1968: Problems of weed control in citrus plantations in the Kolkhida lowlands. Subtropicheskie Kul'tury 24(5): 129-134

Sako, J. 1966: Problems of winter hardiness in fruit growing. Frukt og Bser, 41-52

Pisarev, V.E. 1971: Problems of winter wheats for Siberia. Vestnik Sel'skokhozyaist-vennoi Nauki, 7, 42-43

Pekarik, S .; Gafel, A.; Veres, A. 1971: Problems of work rationalization in the maintenance of supporting structures and shoot tying in vineyards. Pol'nohospodarstvo 17(4): 277-284

Pekarik, S.; Gafel, A.; Veres , A. 1971: Problems of work rationalization in vine pruning. Pol'nohospodarstvo 17(3): 198-204

Warley, T.K. 1967: Problems of world trade in agricultural products. Agricultural producers and their markets (Part I), Oxford: Basil Blackwell Ltd., 50-74

Krumbiegel, D. 1968: Problems of yield prediction in sugar-beet. Albrecht-Thaer-Arch 12(2): 145-53

Andersen, K. 1967: Problems on (Danish) farms without cattle. Tolvmandsbladet, Kbenhavn. 39(3): 114-20

Osanai, S. 1964: Problems on breeding varieties for bread making. Seiken Jiho/Rep. Kihara Inst. biol. Res, 16, 49-54

Murswick, H.-J. 1964: Problems on legally enforcing the economic laws of socialist accumulation in type I agricultural production co-operatives. Staat u. Recht, Berlin 13(2): 301-318

Milev, G. 1968: Problems on the economic efficiency of capital investment in wine-growing. Ikon, selskoto Stop., Sofija., Sofija 5(3): 35-50

Kobayashi, T. 1967: Problems on the identification of Adelopus needle-cast fungi of Conifers. J. Jap. For. Soc 49(8): 328-333

Arthold, K.M. 1970: Problems on the labour market from the viewpoint of agrarian and social policy. Forderungsdienst 18(4): 109-17

Cubero Salmeron, J.I. 1967: Problems presented in the breeding of Vicia faba. Conf. Inst. nac. Invest. Agron., Madrid, 67. 1967. 47-74

Banita, P.; Ionescu, E.; Tudor, A. 1967: Problems raised by sand reclamation in Oltenia region. Rev. Hort. Viticult, Bucuresti 16: 8-13

Stockel, J. 1967: Problems raised by the Angoumois grain moth in the south-west. Revue Zool. agric. appl 66(4-6): 33-44

Nourrisat, P. 1965: Problems raised by the introduction of leys in Senegal. First results. Agron. trop, Maracay. 20(5): 495-511

Kassirov, L. 1964: Problems regarding financial incentives of collective farm workers. Voprosy Ekon, Moskva 17(6): 53-63

Nordio, S.; Lamedica, G.M.; Vignolo, L.; Berio, A. 1965: Problems regarding Intestinal Absorption of Monosaccharides. The 3-Methyl-O-Glucose test. Annales Paediatrici. International Review of Pediatrics 204: 157-167

Spyrka, M.; Hrmo, V. 1966: Problems regarding the determination and evaluation of the economic effectiveness of agricultural investments. Zemed. ekon, Praha 12(4): 245-53

Brusarski, K. 1970: Problems regarding the development of orchards and vineyards in Bulgaria. Plan. Stop., Sofija 25(9): 10-21

Penev, T. 1970: Problems regarding the economic profitability of crop production on co-operative farms. Ikon, sels-koto Stop., Sofija. 7: 53-64

Minkov, M.; Savoy, H.; Sirakov, I. 1971: Problems regarding the organization of the managerial personnel of (Bulgarian) agro-industrial complexes. Ikonomika Selskoto Stopanstvo. Sofija 8(5): 39-54

Davidek, V. 1967: Problems regarding the present agricultural population of Czechoslovakia. Sociol. Hist. Zemed, Praha 3(1): 17-34

Kirev, P. 1970: Problems regarding the productivity of labour in grain production on co-operative farms. Naue. Trud. Viss. selsko-stop. Inst. " G. Dimitrov ", Agron. fak., Sofija. 3: 31-66

Boev, B. 1964: Problems regarding the profitability of collective farm production. Ekon. sel'skogo Chozjajstva (Moskva) 40(7): 29-38

Lidzi, M.; Atic, S.; Brusarski, K. 1970: Problems regarding the regions of Bulgaria during the years of the people's power. Ikon. selskoto Stop, Sofija 7(1): 31-46

Terpo, A. 1964: Problems regarding the species concept in cultivated plants. II. Kertesz. szolesz. Foiskol. Kozl, (publ. 1965). 28: 67-79

Lidzi, M.; Atic, S.; Brusarski, K. 1969: Problems regarding the structure of agricultural production in Bulgaria. Ikon. selskoto Stop, Sofija 6(8): 3-20