Rao, M N <br/><br/>
Waste water treatment 

 - 3rd ed. 
 - New Delhi  Oxford & IBH Publishing  2013 
 - xii, 388 p. 
<br/><br/> 1563 02/06/2014 5887 23/06/2014 Main Budget 
<br/><br/><label>ISBN: </label> RS335 
<br/><br/><label>Dewey Class. No.: </label>363.7 R18W(3)