Trivedy,R.T <br/><br/>
An Introduction to Air pollution / 
Trivedy,R.T. 
 - 2nd rev.ed. 
 - Hydrabad:  BS publication,  2005. 
 - xii-284p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8178000830 
<br/><br/><label>Dewey Class. No.: </label>363.7392 TRI