Trivedi, P.R  x <br/><br/>
Environmental pollution and control  x 

 - x 
 - New Delhi  APH pub corp.  2004 
 - 161 
<br/><br/>Includes 
<br/><br/><label>ISBN: </label>8176485349 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental pollution Pollution 
<br/><br/><label>Dewey Class. No.: </label>628.5/T819e