Godel, Escher, Bach: An Eternal Golden Braid (20th anniversary edition with a new preface by the author)

by Douglas R Hofstadter Penguin · 2000 Ppb. details (UK). details (USA). details (Canada). details (Germany). details (France). ISBN: 978-0-14-028920-6 ISBN-10: 0-14-028920-8