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1by Allen, Gordon P.“...National Aeronautics and Space Administration, Scientific and Technical Information Service ;...”
Published 1978
Government Document Book -
2by Allen, Gordon P.“...National Aeronautics and Space Administration, Scientific and Technical Information Office ;...”
Published 1979
Government Document Book -
3by Allen, Gordon P.“...National Aeronautics and Space Administration, Scientific and Technical Information Office ;...”
Published 1980
Government Document Book