@book{142424,
	author = {American Water Works Association.},
	title = {Recommended practice for backflow prevention and cross-connection control},
	publisher = {American Water Works Association,},
	year = {c2003.},
	series = {AWWA manual ;},
	address = {Denver, Colo. :},
	edition = {3rd ed.},
	note = {"Science and technology."},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10522348}
}