Rao, P. Venugopala <br/><br/>
Textbook of environmental engineering / 
P. Venugopala Rao 
 - New Delhi :  Prentice-Hall of India,  2005 
<br/><br/>Includes references & indexes. 
<br/><br/><label>ISBN: </label>9788120319301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering
<br/><br/><label>Dewey Class. No.: </label>628  / RAO