Trivedi , P R. <br/><br/>
Water pollution   

 - New Delhi :   Akashdeep Publication House,   1997. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>628.168  / TRI