Punmia, B. C.  <br/><br/>
Waste Water Engineering / 
B. C. Punmia, and Ashok Kr. Jain,  
 - 2nd. ed. 
 - ND:  Laxmi,  2001. 
 - xv,660p.:  [pb] 
<br/><br/><label>ISBN: </label>8170080916 9788170080916, 
<br/><br/><label>Dewey Class. No.: </label>628.1  / PUN-W