SDS Sigma series (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "SDS Sigma series" in English language version.

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  • Nelson, Richard R.; New York University Graduate School of Business Administration Center for Science and Technology Policy (1982). Government and technical progress: a cross-industry analysis. Pergamon Press. p. 208. ISBN 9780080288376. In 1965-67, SDS introduced its third-generational Sigma Series (...).
  • Krickx, Guido Armand Marie Jules (1988). Historical evidence on the evolution of vertical exchange mechanisms: examples from the computer systems industry. UCLA. pp. 167, 416.
  • Shoor, Rita (June 16, 1980). "Modutest CPU emulates Xerox Sigma 9". Computerworld. Retrieved August 20, 2012.

cmu.edu

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  • Kopf, J. O.; Plauger, P. J. (1968). "JANUS: a flexible approach to realtime timesharing". Proceeding AFIPS '68 (Fall, Part II) Proceedings of the December 9–11, 1968, Fall Joint Computer Conference, Part II. Fall Joint Computer Conference. pp. 1033–1042. doi:10.1145/1476706.1476722. S2CID 15577630.

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uwyo.edu

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