Washington : National Aeronautics and Space Administration, Scientific and Technical Information Office : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976
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Washington : National Aeronautics and Space Administration, Scientific and Technical Information Office : For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977
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Washington, D.C. : Scientific and Technical Information Branch, National Aeronautics and Space Administration : United States Government Printing Office, 1985
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