Trivedi, P R . <br/><br/>
Encyclopedia of world environment : pollution  

 - New Delhi :   Aph Publishing,   1999. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>628  / TRI