Parker, Charles S. Computers and their applications. - 4th ed. - N.Y.; London: The Dryden Press, 1995. - xv, 523p.; 26cm "N" ISBN: "0-03-007533-5" Subjects--Topical Terms: 1. Computers 2. Electronic data processing. Subjects--Index Terms: "Y" LC Class. No.: QA76 / .P37