Venugopala Rao P3090 <br/><br/>
Textbook of environmental engineering 

 - New Delhi  Prentice Hall  2005 
 - 268p. 
<br/><br/><label>ISBN: </label>8120319303 
<br/><br/><label>Subjects--Index Terms: </label>Ecology 
<br/><br/><label>Dewey Class. No.: </label>628:504  / VEN