00333nam a2200109Ia 4500008004100000040003800041100002700079245004900106250000800155260004400163300001600207211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aHofstadter, Douglas R. 0aGodel, Escher, Bach: an eternal golden Braid  a1st  bPenguin BooksaMiddlesex(England)c1983  axxi, 777 p.