Punmia, B C <br/><br/>
Waste water engineering / 
B C Punmia 
 - New delhi:  Laxmi publications,  2013 
 - 659 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil
<br/><br/><label>Dewey Class. No.: </label>628.3  / PUN/W