Verma P.S & Agarwal V.K. Chordate Embryology P.S Verma - New Delhi.: S.Chand & Company Ltd: c1975. - 667p.: ill: 20cm Includes index ISBN: 8121902614 Source: B-30309 Subjects--Topical Terms: Biology LC Class. No.: QD639.25.V47 / .V47 2017