Sharma, P. D. <br/><br/>
Ecology and environment / 
P. D. Sharma 
 - 7th. ed. 
 - Meerut :  Rastogi Pub.,  2004 
 - xv, 660 p. :  ill.  ;  22 cm. 
<br/><br/>Selected readings : p. [654] 
<br/><br/><label>ISBN: </label>817133704X  RM16.13 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environment policy<br/>Human ecology<br/>Ecology--Study and teaching