Water Treatment Instructor Guide:  Principles and practices of water supply Operations 
Editor,Harry Von Huben 
 - USA  AWWA  1995 
 - 153+p. 
<br/><br/> P.B 
<br/><br/><label>ISBN: </label>0898678064 
<br/><br/><label>Dewey Class. No.: </label>628.162 AWW