Shelly, Gary B. Introduction to computers and data processing Gary B. Shelly & Thomas J. Cashman. - Fullerton, CA Anaheim Pub. Co. c1980. - 474 p. in various pagings ill. 26 cm. Includes index. ISBN: 0882361155 LCCN: 79057019 //r85 Subjects--Topical Terms: ComputersElectronic data processing LC Class. No.: QA76 / .S512 Dewey Class. No.: 001.64