@book{140182,
	author = {Siau, Keng. and ebrary, Inc.},
	title = {Systems analysis and design},
	publisher = {M.E. Sharpe,},
	year = {2011.},
	series = {Advances in management information systems,},
	address = {Armonk, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10421880}
}