Trainor, Timothy N. Computers / Timothy N. Trainor and Diane Krasnewich - 2nd ed. - New York : Mitchell, c1989. - xix,554 p. : ill. ; 26 cm. ISBN: 0394394208 LCCN: Subjects--Topical Terms: ComputersElectronic data processingComputer science LC Class. No.: T766c / . 1989