"Tripathi, Madhusoodan" <br/><br/>
Vaayu Pradushan samasya aur samadhan  c.2 

 - New Delhi  Omega  2006 
 - 168p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>H 363.7392