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      Digital & 4-Year Archive

      Scientific American September 1971

      Mathematical Games

      The plaiting of Plato's polyhedrons and the asymmetrical yin-yang-lee

      • By Martin Gardner on September 1, 1971

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      More in the September 1971 issue of Scientific American
      • Books
      • The Energy Resources of The Earth
      • Decision-making in the Production of Power
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