@book{88751,
	author = {Maddaus, William O. and ebrary, Inc.},
	title = {Water resources planning},
	publisher = {American Water Works Association,},
	year = {c2007.},
	series = {AWWA manual ;},
	address = {Denver, Colo. :},
	edition = {2nd ed.},
	note = {Preparation of the manual managed by William O. Maddaus.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10558820}
}