1. 1
    Published 1968
    ...[For sale by the Supt. of Docs., U.S. Govt. Print. Off.],...
    Book
  2. 2
    Published 1967
    ...[For sale by the Supt. of Docs., U.S. Govt. Print. Off.],...
    Book
  3. 3
    by Kosofsky, L. J.
    Published 1970
    ...Scientific and Technical Information Division, National Aeronautics and Space Administration [for sale by the Supt. of Docs., U.S. Govt. Print. Off.],...
    Book