Smithsonian treasury of science  V.2 
ed. by Webster P. True. 
 - New York  Simon and Schuster Inc.,  1960 
 - 379-834p. 
<br/><br/><label>LCCN: </label>60-12579 
<br/><br/><label>Dewey Class. No.: </label>508.1  / N60.2