@book{83064,
	author = {Bias, Randolph G. and ebrary, Inc.},
	title = {Cost-justifying usability},
	publisher = {Morgan Kaufman,},
	year = {2005.},
	address = {Amsterdam ;},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10138252}
}