Penrose, Roger. <br/><br/>
Shadows of the mind :  a search for the missing science of consciousness / 
Roger Penrose. 
 - Oxford ;  New York :  Oxford University Press,  1994. 
 - xvi, 457 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [425]-445) and index. 
<br/><br/><label>ISBN: </label>0198539789 :  £16.95 ($24.50 U.S.) 
<br/><br/><label>LCCN: </label>94012887  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial intelligence.<br/>Thought and thinking.<br/>Gödel's theorem.<br/>Quantum theory.<br/>Physics--Philosophy.
<br/><br/><label>Dewey Class. No.: </label>006.3