KHOPKAR, S M <br/><br/>
ENVIRONMENTAL POLLUTION MONITORING AND CONTROL  

 - 7 ed. 
 - NEW DELHI  NEWAGE  2008 
 - 609 
<br/><br/><label>ISBN: </label>8122415075 
<br/><br/><label>Dewey Class. No.: </label>628.5 O07