Prasad, S. N. <br/><br/>
Environmental biology 

 - New Delhi  Campus Books  2000 
 - vi,485p. 
<br/><br/><label>ISBN: </label> RS 750.00 
<br/><br/><label>Source: </label> RS 750.00 
<br/><br/><label>Dewey Class. No.: </label>574 PRA