Comparison of different training systems on hazelnut. Acta Horticulturae 351: 455-461, 1994
Comparison between different vine training systems. Investigacion Agropecuaria 3: 1-5, 1976
Comparison of kiwifruit training systems. Acta Horticulturae 297: 427-434, 1992
Comparison of modern training systems for pears. Informatore Agrario 53(45): 69-71, 1997
Comparison among training systems in wine grapevines. Journal of Fruit Science 11(1): 14-18, 1994
Inheritance of six enzymatic systems in hazelnut. Acta Horticulturae 351: 239-245, 1994