Ley, Willy <br/><br/>
Satcllites rockets and outer space 

 - New your  <The> new American library  1958 
 - p. 128 ill 
<br/><br/><label>Subjects--Index Terms: </label>Engineering;Satollites;Rockets;Moon 
<br/><br/><label>Dewey Class. No.: </label>629.4