Sorensen, A. M. 1925-1980. Animal reproduction, principles and practices / A. M. Sorensen, Jr. - New York : McGraw-Hill, c1979. - xvi, 496 pages Illustrations ; 25 cm. - McGraw-Hill publications in the agricultural sciences . Includes bibliographical references and index. ISBN: 0070596700 LCCN: 78017167 Subjects--Topical Terms: Livestock--Breeding.Livestock--Reproduction.Reproduction.Veterinary anatomy.Veterinary physiology. LC Class. No.: SF105 / .S73 Dewey Class. No.: 636.089/26