Subrahmanyam, N S; Sambamurty, A V S S <br/><br/>
Ecology 

 -  Narosa Publishing House, New Delhi  2000 
 - 616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biology
<br/><br/><label>Dewey Class. No.: </label>PG 574.5  SUB-E