@book{141879,
	author = {Logsdon, Gary S. and ebrary, Inc.},
	title = {Water filtration practices},
	publisher = {American Water Works Association,},
	year = {c2008.},
	address = {Denver, Colo. :},
	edition = {1st ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10522381}
}