Kotpal, R L  <br/><br/>
Modern Textbook Of Zoology :  Invertebrates / 
R L Kotpal ; S K Agarwal ; R P Khetapral 
 - 6th Ed. 
 - Meerut:  Rasthogi Publications,  1973. 
 - 646p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>590  / KOT/M