Meenambal T. <br/><br/>
Principles of environimental science and engineering 

 - New Delhi  S. CHAND &COMPANY LTD  2005 
 - 126p.  24cm  Paperback 
<br/><br/><label>ISBN: </label>9788121924436 
<br/><br/><label>Dewey Class. No.: </label>520