ISBN 8490660697 books & textbook
Gödel, Escher, Bach: Un eterno y grácil bucle
Hofstadter, Douglas R. Usabiaga Bandizzi, Mario Arnaldo López Rousseau, Alejandro
Booket /2015-04-14 Mass Market Paperback / 912 Pages
isbn-10: 8490660697 / isbn-13: 9788490660690