Prasad D. <br/><br/>
Environmental pollution, air 
/by Prasad D. 
 - New Delhi  Venus Publishing House  1992 
 - 317p. 
<br/><br/><label>ISBN: </label>81-7238-002-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution
<br/><br/><label>Dewey Class. No.: </label>614.7  / PRA/E