Punmia, B. C. <br/><br/>
Wastewater engineering / 
B. C. Punmia 
 - New Delhi :  Laxmi Publications,  1998 
<br/><br/>Includes references & index. 
<br/><br/><label>ISBN: </label>8170080916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water engineering
<br/><br/><label>Dewey Class. No.: </label>628.39  / PUN