Cytogenetic studies of the intergeneric hybrid Euchlaena perennis Hitch x Zea mays L. II. Meiotic analysis in an advanced generation as related to viable seed setting in two regions of the province of Tucuman (Argentina) Boggiatto, A.; Andrada, A.; Portas, A.; Zamudio, P.D. Revista agronomica del noroeste argentino 5(4): 95-111 1978 https://eurekamag.com/research/015/429/015429185.php