Rao M Narayana <br/><br/>
Waste Water Treatment Rational Methods Of Design And Industrial Practices M Narayana Rao And Amal K Datta 

 -  New Delhi: Oxford And Ibh Publishing 1987. 
 - 345 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>8120402154