Instructor guide: water treatment ,principles and practices of water supply operations series 
edited by Harry Von Huben 
 - Denver  American water works association  1995 
 - 153p. 
<br/><br/><label>ISBN: </label>0898678064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Filtration<br/>Disinfection<br/>Time Softening
<br/><br/><label>Dewey Class. No.: </label>628.16  / HUB