Tchobanoglous G, Burton F L & Stensel H D <br/><br/>
Wastewater Engineering Treatment and Reuse .-4th edn .-0-07-049539-4 

 - 4th edn  
 -  Tata McGraw-Hill, New Delhi, India 
<br/><br/><label>ISBN: </label>0-07-049539-4 
<br/><br/><label>Dewey Class. No.: </label>G91:(D8665)/P03/B24490