Rao, P. L. Diwakar <br/><br/>
Pollution Control Handbook 1986 

 - Hyderabad  Utility Publications Ltd 
 - 339 
<br/><br/><label>Publisher. No.: </label> Bangalore Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science