Szymanski, Robert A. Computers and applications software / Robert A. Szymanski ... [et al.]. - 2nd ed. - New York : Macmillan Publishing Company, c1991. - xiii, 544 p. : ill. ; 25 cm. ISBN: 0675212693 LCCN: Subjects--Topical Terms: ComputersApplication softwareComputer science LC Class. No.: QA76.5 / .C61388 1991 Dewey Class. No.: 005.3 / S999c