Bergmann, Peter Gabriel. <br/><br/>
Introduction to the theory of relativity / 
by Peter Gabriel Bergmann ; with a foreword by Albert Einstein. 
 - New York  : Dover Publications  ,1976. 
 - xii, 307 p. :  ill. ; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0486632822  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity (Physics)
<br/><br/><label>Dewey Class. No.: </label>530.1 BER/I