Sharma, P.D.  <br/><br/>
Ecology and Environment / 
P.D. Sharma  
 - 	New Delhi :  Rastogi publications ;  1996. 
 - 635p. ;  21cm.  
<br/><br/><label>ISBN: </label>8171332625 
<br/><br/><label>Subjects--Topical Terms: </label><br/> 	      Ecology.     Human ecology.
<br/><br/><label>Dewey Class. No.: </label>574.50954  / SHE 1996