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      Scientific American November 1988

      Computer Recreations, November 1988

      On making and breaking codes:

      • By A. K. Dewdney on November 1, 1988

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      More in the November 1988 issue of Scientific American
      • 50 and 100 Years Ago: November 1988
      • Holochrome
      • Infrared Optical Fibers
      View Full Contents
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