Sprague, G. F. 1902- Corn and corn improvement / editor, G. F. Sprague. - [2d ed.] - Madison, Wis. : American Society of Agronomy, 1977, c1976. - xvi, 774 p. : ill. ; 24 cm. - Agronomy ; no. 18 . ISBN: 0891180435 LCCN: 76029528 Subjects--Topical Terms: Corn.MilhoCorn--Breeding. LC Class. No.: SB191.M2 / S6254 1977 Dewey Class. No.: 633.15 Número de Chamada: 633.15 / S766