Calder, Nigel . <br/><br/>
Einstein`s Universe;A Guide to the Theory of Relativity /  Textual Documents 
Nigel Calder. 
 - London :  Penguin Books ,  1990. 
 - 254 ; 
<br/><br/>Index,Illus. 
<br/><br/><label>ISBN: </label>0-14-013516-2 
<br/><br/><label>Subjects--Index Terms: </label>Physics,Theory of Relativity 
<br/><br/><label>Dewey Class. No.: </label>530.1  / Ca 114 Ei