@book{149490,
	author = {Duffy, Tim. and Berchelmann, Traci.},
	title = {Computing concepts /},
	publisher = {Wadsworth Pub. Co.,},
	year = {c1995.},
	series = {Wadsworth series in microcomputer applications},
	address = {Belmont, Calif. :},
	edition = {2nd ed.},
	note = {Includes index.}
}