Rao, P. Venugopala <br/><br/>
Textbook of environmental engineering / 
P. Venugopala Rao 
 - New Delhi :  Prentice-Hall of India,  2002 
 - xii, 268 p. :  ill. ;  25 cm. 
 - Eastern economy edition .
<br/><br/>Bibliography : p. 263 
<br/><br/><label>ISBN: </label>8120319303  RM44.22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering