Venugopala Rao, P. <br/><br/>
Principles of environmental science and engineering 
by P. Venugopala Rao 
 - New Delhi  Prentice-Hall of India  c2006 
 - xii,276p.:ill.,maps; 21cm. 
<br/><br/><label>ISBN: </label>8120328938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>environmental science <br/>environmental  engineering
<br/><br/><label>Dewey Class. No.: </label>333.7015  / VEN