Punmia, B. C.  <br/><br/>
Waste Water Engineering / 
B. C. Punmia, and Ashok Kumar. Jain,  
 - 2nd. ed. 
 - ND:  Laxmi,  2001 
 - 660p.:  [pb] 
<br/><br/><label>ISBN: </label>9788170080916, 
<br/><br/><label>Dewey Class. No.: </label>628.1  / PUN-W