Yadav, P. R. <br/><br/>
Environmental air pollution 
P. R. Yadav 
 - New Delhi  Discovery  2009 
 - 286p. :ill.;  Hbk. 
<br/><br/><label>ISBN: </label>97881835644321 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air pollution
<br/><br/><label>LC Class. No.: </label>TD883.Y3 2009