Hofstadter, Douglas R., <br/><br/>
Godel, Escher, Bach :  an eternal golden braid / 
Douglas R. Hofstadter. 
 - Harmondsworth :  Penguin Books,  c1979. 
 - xxi, 777 p. : 
<br/><br/><label>ISBN: </label>BK117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>510.1  / Go