RINDLER, Wolfgang. <br/><br/>
Essential Relativity : Special, General, and Cosmological. 

 - 2nd edi. 
 - New York.  Springer-Verlag.  1977 
 - xiv, 284p. 
<br/><br/><label>ISBN: </label>0 387 10090 3 
<br/><br/><label>Dewey Class. No.: </label>530.1'1