@book{148256,
	author = {Ginley, James F. and Humphrey, Todd A. and ebrary, Inc.},
	title = {Operational guide to AWWA standard G400},
	publisher = {American Water Works Association,},
	year = {c2009.},
	address = {Denver :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10533528}
}