RAO, M Narayana. <br/><br/>
Waste Water Treatment : Rational Methods of Design Industrial Practices. 

 - New Delhi.  Oxford & IBH Publishing.  1987 
 - viii, 345p 
<br/><br/><label>ISBN: </label>81 204 0215 4 
<br/><br/><label>Dewey Class. No.: </label>628.119