Corn and corn improvement / editor, G. F. Sprague and J.W. Dudley. - 3rd ed. - Madison, Wis. : American Society of Agronomy, 1988. - 986 p. : ill. ; 24 cm. - Agronomy ; no. 18 . - Agronomy ; no. 18. . Includes bibliographical references and index. ISBN: 0891180990 Subjects--Topical Terms: Corn.Corn--Breeding. LC Class. No.: SB191.M2 / C67 1988