@book{238413,
	author = {Lauer, Bill. and Barsotti, Michael G. and ebrary, Inc.},
	title = {Chemical feed field guide for treatment plant operators},
	publisher = {American Water Works Association,},
	year = {c2009.},
	address = {Denver, Colo. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10522352}
}