Wilcox, J. R. Soybeans : improvement, production, and uses - 2 ed. - Madison, Wis. : American Society of Agronomy, 1987 - 888 p. : ilus - Agronomy ; 16 . - Agronomy ; 16 . D44-130 LCCN: 3560 Subjects--Topical Terms: Soya. Dewey Class. No.: 633.34 / W55 1987