Punmia, B C <br/><br/>
Wastewater engineering / 
B C Punmia, Ashok Kumar Jain and Arun Kumar Jain 
 - 2nd ed. 
 - New Delhi :  Laxmi Publications,  2011. 
 - xv, 660 p. 
 - Environmental engineering  Vol. 2 .
<br/><br/> including air pollution 
<br/><br/><label>ISBN: </label>9788131805961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering
<br/><br/><label>Dewey Class. No.: </label>628.3  / PUN