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1.

図書
図書
1. Gödel, Escher, Bach : an eternal golden braid (pbk.)
Douglas R. Hofstadter
出版情報: New York : Vintage Books, 1980, c1979
2.

図書
図書
2. Gödel, Escher, Bach : an eternal golden braid
Douglas R. Hofstadter
出版情報: New York : Basic Books, c1979
3.

図書
図書
3. Fluid concepts & creative analogies : computer models of the fundamental mechanisms of thought (:cloth ; :pap)
by Douglas Hofstadter and the Fluid Analogies Research Group
出版情報: New York : Basic Books, c1995