Rao, P. Venugopala <br/><br/>
Textbook of environmental engineering 

 - New Delhi  PHI Learning  2010 
 - xii,268p. 
<br/><br/><label>ISBN: </label>9788120319301  195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Engineering
<br/><br/><label>Dewey Class. No.: </label>628  / RAO