Collins, Stewart A.
Washington : Scientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1971.
Washington : Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.
Rev.
Hartmann, William K.
Washington : Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974.
Dunne, James A.
Washington : Scientific and Technical Information Division, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print Off., 1978.