Einstein, Albert <br/><br/>
Sidelights on relativity / 
Albert Einstein. 
 - 1a ed. 
 - New York :  Dover Publications,   1983 
 - 56 p. :  20 cm. 
<br/><br/><label>ISBN: </label>048624511X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Física relativista
<br/><br/><label>LC Class. No.: </label>QC173.58   / E55 1983