Punimia, B.C. <br/><br/>
Waste water engineering:  including air pollution 
by B.C. Punimia, Ashok Kumar Jain, Arun Kumar Jain 
 - 2nd ed.  reprinted, 2015 
 - New Delhi:  Laxmi Publication (P) Ltd.  1998 
 - xv, 660p. 
<br/><br/><label>Dewey Class. No.: </label>D0aG:55  / N8