@book{233066,
	author = {Holdsworth, B. and Woods, R. C. and ebrary, Inc.},
	title = {Digital logic design},
	publisher = {Newnes,},
	year = {2002.},
	address = {Oxford :},
	edition = {4th ed.},
	note = {Previous ed.: 1993.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10186740}
}