633.153
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Sprague, G. F. (George Frederick), 1902-
Corn and corn improvement / editor, G. F. Sprague.
— [2nd ed.]. — Madison, Wis. : American Society of Agronomy, 1977, c1976. xvi, 774 p. : il. ; 23 cm. — (Agronomy ; nº 18)
Incluye bibliografías e índice.
ISBN 0891180435
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