Trivedy, R.K <br/><br/>
An introduction to air pollution / 
R.K Trivedy 
 - New delhi:  B s publications,  2012 
 - 284 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil
<br/><br/><label>Dewey Class. No.: </label>628.53  / TRI/A