Rana, S V S. <br/><br/>
Environmental studies   

 - New Delhi :   Rai and Sons,   2007. 
 - XX, 496 ;  
<br/><br/><label>ISBN: </label>8171337287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>628  / RAN