IBM's system/390
Computer Technology Research Corp., 1991
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Franve, Boyd
IBM in France Boyd France
Washington, D.C. |Natiional Planning Ass. 1961,
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Murray, Jerome T.
Introduction to computing: IBM system/3
George Allen and Unwin, 1971
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IBM dictionary of computing
edited by George McDaniel
McGraw-Hill, 1994
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IBM: storyboard plus
International Business Machines Corporation, 1989
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