@book{9253,
	author = {Greenfield, Joseph D. and Wray, William C.},
	title = {Using microprocessors and microcomputers :},
	publisher = {John Wiley & Sons Inc,},
	year = {1981.},
	series = {Electronic technology.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0471027278/chopaconline-20}
}