Não informado. (1950). Astronautics Information Literature Search. Jet Propulsion Laboratory, California Institute of Technology.
Chicago-referens (17:e uppl.)Não informado. Astronautics Information Literature Search. Pasadena, Calif: Jet Propulsion Laboratory, California Institute of Technology, 1950.
MLA-referens (8:e uppl.)Não informado. Astronautics Information Literature Search. Jet Propulsion Laboratory, California Institute of Technology, 1950.
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