Godel,escher, bach: an eternal golden braid
Hofstadter, Douglas R.
Godel,escher, bach: an eternal golden braid - Great Britain Penguin Books 1979
140055797
126 / N79 HOF
Godel,escher, bach: an eternal golden braid - Great Britain Penguin Books 1979
140055797
126 / N79 HOF