Trivedi, P.R.  . <br/><br/>
Pollution /  
by P.R. Trivedi. 
 - New Delhi :   A P H Publishing Corporation ,   2012 
 - 330p ;  
<br/><br/><label>ISBN: </label>978-81-313-1394-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>D854  / Q2