Subrahmanyam, N. S. <br/><br/>
Ecology / 
N. S. Subrahmanyam, A. V. S. S. Sambamurty 
 - 2nd ed. 
 - Oxford :  Alpha Science International,  2006 
 - 1 v. (various pagings) :  ill., maps ;  25 cm. 
<br/><br/><label>ISBN: </label>9781842653203  RM207.77 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Pollution--Environmental aspects