Van Dongen, Jeroen. <br/><br/>
Einstein's unification / 
Jeroen van Dongen. 
 - Cambridge :  Cambridge University Press,  2010. 
 - x, 213 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780521883467 (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General relativity (Physics)--History.<br/>Quantum theory--Philosophy.