Verma, Ashok <br/><br/>
Invertebrates : protozoa to echinodermata 
by Ashok Verma 
 - New Delhi :  Narosa,   2005 
 - xxi, 510 p. 
<br/><br/><label>ISBN: </label>9788173196102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>592  / V522