@book{90375,
	author = {Engel, Avner. and ebrary, Inc.},
	title = {Verification, validation, and testing of engineered systems},
	publisher = {Wiley,},
	year = {c2010.},
	series = {Wiley series in systems engineering and management},
	address = {Hoboken, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10392513}
}