Computers and information systems /
O'Leary, T. J.(Timothy J.)
Williams, Brian K.,1938-
O'Leary, T. J.(Timothy J.).Computers and information processing.
Redwood City, Calif. : Benjamin/Cummings Pub. Co.,
c1989.
First ed. published as: Computers and information processing. c1985.
Includes index.
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