Narayana Rao, M. <br/><br/>
Waste water treatment: Rational methods of design and industrial practices 

 - 2nd Edition 
 - New Delhi  Oxford & IBH Publishing Co. Pvt. Ltd.   1987 
 - viii,345p. 
<br/><br/><label>ISBN: </label> RS 120.00 
<br/><br/><label>Source: </label> RS 120.00 
<br/><br/><label>Dewey Class. No.: </label>333.91 NAR