Prasad, S. N. (A) Textbook of vertebrate zoology / S. N. Prasad and Vasantika Kashyap. - 13 th ed. - New Delhi : New age International, 1991 - viii, 538p. : ill. ; 24x16 cm. Includes index. ISBN: 0-85-226-928-5 : Rs. 160.00 Subjects--Topical Terms: VERTEBRATA Dewey Class. No.: 596 / PRA-VER