@book{28420,
	author = {Wray, William C. and Greenfield, Joseph D.},
	title = {Using microprocessors and microcomputers :},
	publisher = { Prentice Hall International,},
	year = { 1994},
	address = {Englewood Cliffs, NJ:},
	edition = {3rd ed},
	note = {Includes index}
}