@book{153307,
	author = {Karris, Steven T. and ebrary, Inc.},
	title = {Digital circuit analysis and design},
	publisher = {Orchard Publications,},
	year = {c2005.},
	address = {Fremont, CA :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10083755}
}