Einstein, Albert,  1879-1955. <br/><br/>
Relativity :  the special and general theory / 
Albert Einstein ; translated by Robert W. Lawson ; introduction by Roger Penrose ; commentary by Robert Geroch with a historical essay by David C. Cassidy. 
 - The masterpiece science ed. 
 - New York :  Pi Press,  c2005. 
 - xxvi, 259 p. :  ill. ;  22 cm. 
<br/><br/> Originally published: New York : H. Holt, 1920. 
<br/><br/>Includes bibliographical references (p. 247-250) and index. 
<br/><br/><label>ISBN: </label>0131862618 
<br/><br/><label>LCCN: </label>2004117390 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relativity (Physics)
<br/><br/><label>LC Class. No.: </label>QC173.55  / .E384513 2005 
<br/><br/><label>Dewey Class. No.: </label>530.11