Hofstadter, Douglas R. <br/><br/>
Godel, Escher, Bach: an eternal golden braid 

 - New York  Basic Books  1999 
 - various pagings 
<br/><br/><label>ISBN: </label>9780465026562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metamathematics, <br/>Symmetry, <br/>Artificial intelligence. 
<br/><br/><label>Dewey Class. No.: </label>510.1 HOF/G