Crosby, Alexander <br/><br/>
Roket-roket menjerbu ruang angkasa 
Alexander L. Crosby and Nancy Larrik 
 - Djakarta  Swadaya  1962 
 - 31 p. : ill. ; 24 cm. 
 - Seri Ilmu untuk remadja  no.3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rockets (Aeronautics)--Juvenile literature<br/>Space flight--Juvenile Literature