Hanson, Clarence H. ed. Alfalfa science and technology / by Clarence H. ed. Hanson - Madison, Wis. : American Society of Agronomy, 1972 - 812 p. ; ilus. - Agronomy . LCCN: 166255 Subjects--Topical Terms: Alfalfa Dewey Class. No.: 633.31 H3