Hanneman, Henri W.
The patentability of computer software
Kluwer, 1985
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Skees, William D.
Computer software for data communications
Lifetime learning , 1981
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Gorsline, G. W.
Computer organization : hardware/software
Prentice-Hall, 1980
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Wolberg, John R.
Conversion of computer software
Prentice-Hall, 1983
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Abrams, Marshall D.
Computer Hardware and software : an interdisiplinary introduction
Addison-Wesley, 1973
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