Ways to spaceflight
By: by Hermann Oberth
Series: NASA TT -- F-622; NASA technical translation -- F-622
Publisher: U.S. NASA
Published: 1972
Place of publication: Washington, D.C
Language: eng
Translated from: ger
Number of pages: 597
Subjects: Aeronautics; Rockets (Aeronautics)
Notes: Trans. of: Wege zur Raumschiffahrt.