@book{88753,
	author = {Giorgi, John. and American Water Works Association.},
	title = {Math for water treatment operators},
	publisher = {American Water Works Association,},
	year = {c2007.},
	address = {Denver, Colo. :},
	edition = {1st ed.},
	note = {"Science and technology"--Cover.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10558822}
}