Hawking, S. Penrose, Roger <br/><br/>
Nature of space and time 

 - Delhi  Oxford University  1996 
 - viii,141  21cm. 
<br/><br/><label>ISBN: </label>0195642112 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Space and time
<br/><br/><label>Dewey Class. No.: </label>530.11  / H43N