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      Knowledge is Power

      Scientific American July 1983

      Metamagical Themas

      Parquet deformations: patterns of tiles that shift gradually in one dimension

      • By Douglas R. Hofstadter on July 1, 1983

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      More in the July 1983 issue of Scientific American
      • 50 and 100 Years Ago, July 1983
      • Letters to the Editors, July 1983
      • Science and the Citizen, July 1983
      View Full Contents
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