Hawking S.W. <br/><br/>
General relativity 

 - London  Cambridge University Press UK       1979 
<br/><br/><label>ISBN: </label>0521222850 
<br/><br/><label>Standard No.: </label>103522 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>CN, L9