Stevens, C. E. Comparative physiology of the vertebrate digestive system / C. Edward Stevens, Ian D. Hume. - 2nd ed. - New York: Cambridge University Press, 1996. - xiii,400p.: ill.; 25cm. Includes bibliographical references and index. ISBN: 0521444187 (hc) Subjects--Topical Terms: Vertebrates--Digestive organs.Vertebrates--Physiology. LC Class. No.: QP145 / S74 1996