Gopal, Lallanji <br/><br/>
Water and wastewater 

 - New Delhi  A. P. H. Publishing Corporation  2007 
 - x, 173p. 
<br/><br/><label>ISBN: </label> RS 495.00 
<br/><br/><label>Source: </label> RS 495.00 
<br/><br/><label>Dewey Class. No.: </label>363.7394 GOP