Shukla, S. K. ed <br/><br/>
Ecology and the environment 

 - New Delhi  Commonwealth Publishers  1992 
 - 330p. 
<br/><br/><label>ISBN: </label> RS 350.00 
<br/><br/><label>Source: </label> RS 350.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 ECO