Rao, M Narayana <br/><br/>
Waste water treatment: rational methods of design and induatrial practices 

 - New Delhi :  Oxford & Ibh,  1994 
 - 388. 
<br/><br/><label>ISBN: </label>9878120417120  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628.3  / RAO