Wastewater Microbiology/ 
Bergey D H. 
 - New Delhi:  Scientific International Pvt. Ltd;  2014. 
 - 647 pages: 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>9789381714744 
<br/><br/><label>Dewey Class. No.: </label>628.1 BER