510.1
H713G
           Hofstadter, Douglas R.
               Godel, Escher, Bach an eternal golden braid \ Douglas R. Hofsadter - 20th ed. - New York : Basic Books, 1979.
               xxi, 777p.
                ISBN: 0-465-02656-7

146331
                Subjects: MATAMATHEMATICS; ARTIFICIAL INTELLIGENCE.