Einstein, Albert, <br/><br/>
Relativity : the special and general theory  
Albert Einstein ; authorised translation by Robert W. Lawson. 
 - New York :  Routledge,  2001. 
 - x, 166 p. :  ill. ;  21 cm. 
 - Routledge classics .
<br/><br/> Originally published: New York : H. Holt, 1920. 
<br/><br/><label>ISBN: </label>0203226607 (electronic bk.) 0415255384 0415253845 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity (Physics)
<br/><br/><label>Dewey Class. No.: </label>530.11