Overcoming gravitation; rocket propulsion with chemical fuels; problem of extraterrestrial stations; atomic rockets; conclusion is that interplanetary flight with crew is impossible at present.
Present limitations of rocket propulsion and its significance for interplanetary flight
Die heutigen Grenzen des Raketenantriebes
Verein Deutscher Ingenieure -- VDI Zeitschrift ; 92 , n 32
1950
10 pages
Diagrams, Tables
Article (Journal)
German
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