Szymanski, Robert A. Introduction to computers and software / Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen. - Upper Saddle River, NJ : Prentice Hall, c1996. - xx, 347 p. : ill. (some col.) ; 28 cm. Includes index. ISBN: 0024187801 LCCN: 95025227 Subjects--Topical Terms: Computers.Computer software. LC Class. No.: QA76.5 / .S993 1996 Dewey Class. No.: 004 SZY