Waste Treatment Plants 
Editors. C.A.Sastry, M.A.Hashim 
 - New Delhi  Narosa   1995 
 - 435p. 
<br/><br/> H.B 
<br/><br/><label>ISBN: </label>8173190453 
<br/><br/><label>Dewey Class. No.: </label>628.4 WAS