Robert M. Wald <br/><br/>
Space, TIme and Gravity :  The Theory of the Big Bang and Black Holes / 
Robert M. Wald 
 - Chicago :  London :  The University of Chicago Press  1977 
 - 131p  cm 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0226870316 
<br/><br/><label>Dewey Class. No.: </label>523.1 WAL