Barnett, Lincoln <br/><br/>
The universe and Dr. Einstein 

 - New York, Estados Unidos de América :  Mentor Books,   1957 
 - 128p. 
<br/><br/> With foreword by Albert Einstein 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FÍSICA
<br/><br/><label>Dewey Class. No.: </label>530  / 523