Einstein, Albert. <br/><br/>
The collected papers of albert einstein.  the swiss years :  writings, 1909-1911 /  Volume  3 : 
Albert Einstein, Anna Beck. 
 - [S.l.] :  Princeton University Press,  1993 
 - 447 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0691102503 9780691102504 
<br/><br/><label>Dewey Class. No.: </label>530