Rao, P. Venugopala. <br/><br/>
Textbook of environmental engineering / 
P. Venugopala Rao. 
 - New Delhi :  Prentice-Hall of India,   c2002 [2003]. 
 - xii, 268 pages :  illustrations ;  25 cm.  
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>8120319303 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering.
<br/><br/><label>Dewey Class. No.: </label>628 RAO