Satellite! / By Erik Bergaust and William Beller. Foreword by Hermann Oberth. Bergaust, Erik. Beller, William S., 1919-, author. Artificial satellites. Space flight. TL796 .B4 629.1388 BES Includes bibilography. Garden City, N.Y. : Hanover House , c1956. c1956. 1956 Text 287 p. : eng