Penrose, Roger. <br/><br/>
The emperor's new mind concerning computers, minds, and the laws of physics / 
Roger Penrose. 
 - Oxford :  Oxford University Press,  1989. 
 - xiii, 466 p. 
<br/><br/><label>ISBN: </label>0198519737  
<br/><br/><label>LCCN: </label>90025190     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artificial intelligence.<br/>Thought and thinking.<br/>Science--Philosophy.<br/>Computers.