TEXTBOOK of zoology invertebrates / 
edited by A.J.Marshall, W.D.Williams 
 - Delhi  A.I.T.B.S. pub.  1995 
 - xix, 874 p. 
<br/><br/>  Includes index. 
<br/><br/><label>ISBN: </label>8174730311 
<br/><br/><label>Dewey Class. No.: </label>592  / PAR