Balakrishnan Nair, N <br/><br/>
Paristhitivijnanam (m) 

 -  State Institute of Languages, TVPM  1971 
 - 355 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biology
<br/><br/><label>Dewey Class. No.: </label>S 574.5  BAL-P