Feldman, Edward C. Canine and Feline endocrinology and reproduction / Edward C. Feld man - 2nd ed. - Philadelphia; London : W. B. Saunders , 1996. - xi, 785 p. : ill. ; 29 cm. Includes bibliographical references and index. ISBN: 0721636349 Subjects--Personal Names: Nelson, Richard W. Subjects--Topical Terms: Life sciences. Dewey Class. No.: 636.089