e.l jordan  p.s <br/><br/>
invertebrate zoology  verma 

 - newdelhi  s.chand & company ltd  1991 
<br/><br/><label>ISBN: </label>81-219-0367-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>biology
<br/><br/><label>Dewey Class. No.: </label>E.L/I  / 592