@book{49168,
	author = {Ehrgott, Matthias. and ebrary, Inc.},
	title = {Multiple criteria optimization},
	publisher = {Kluwer Academic Publishers,},
	year = {c2002.},
	series = {International series in operations research & management science ;},
	address = {Boston :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10067459}
}