Dey,Trideep <br/><br/>
Hatching mechanism in invertebrates in limnaea abrussa and bismina longirostris 

 - NEHU 
 - Shillong  NEHU  Dept of Zoology  1976 
 - 20cm.(various pagings); 20cm.- 
<br/><br/><label>Dewey Class. No.: </label>DS  / 559.30433 DEY