Einstein, Albert,  1879-1955. <br/><br/>
Relativity :  the special and general theory / 
Albert Einstein ; authorised translation by Robert W. Lawson. 
 - New York :  Routledge,  2001. 
 - x,166  p. ;  19 cm. 
 - Routledge classics. .
<br/><br/> Originally published : New York : H. Holt, 1920. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0415255384  RM187.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity (Physics).