@book{238424,
	author = {Stubbart, John M. and American Water Works Association.},
	title = {AWWA wastewater operator field guide},
	publisher = {American Water Works Association,},
	year = {c2006.},
	address = {Denver, Colo. :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10522367}
}