Environmental Pollution Control Engineering 
C.S.Rao 
 - 2nd 
 - New Delhi,india.  New Age International (p) LTD 
 - Vii,424p.  illus.,index. 
<br/><br/><label>ISBN: </label>9788122418354 
<br/><br/><label>LC Class. No.: </label>TD145 R36 2006