Penrose, Roger <br/><br/>
Nature of space and time 
Stephen Hawking and Roger Penrose                                           
 - Oxford  Oxford University Press  1998 
 - viii, 141p. 
<br/><br/><label>ISBN: </label>0-19-564211-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space<br/>time
<br/><br/><label>Universal Decimal Class. No.: </label>524.834  / HAW