Encyclopedia of computer science
edited by Anthony Ralston; assistant editor, Chester L. Meek
Petrocelli/Charter, 1976
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Jordan, Philip B.
Condensed computer encyclopedia
McGraw-Hill, 1969
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The social science encyclopedia
edited by Adam Kuper and Jessica Kuper
Routledge, 1996
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Encyclopedia of science and technology Vol.1
editor, in.chief, R.P. Jain; editors, V.K. Gendhi, Artul Amand, Anuj Kohli, Anil Sharga
Crest Publishing House, 1998,
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Encyclopedia of science and technology Vol.2
Crest Publishing House, 1998,
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