Scientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1971.<YP19-46>
国立国会図書館
著者標目Bowker, David E. Hughes, J. Kenrick. Langley R...
[by] David E. Bowker and J. Kenrick Hughes. Prepared by Langley Research CenterScientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]1971