Tripathi.A.K. <br/><br/>
Air Polution Vol-1 (Protect Globel Earth Series)  Textual Documents 

 - New Delhi  Ashish Publication  1993 
 - 302p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>628.53  / TRI