Scientific and Technical Information Branch, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1980.<MB71-73>
Scientific and Technical Information Branch, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1980.<MB21-126>
Scientific and Technical Information Branch, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1980.<ME381-20>
Scientific and Technical Information Branch, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1980.<MB21-A7>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1979.<MB61-40>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<ME111-38>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<MB75-39>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1977 [i.e. 1978]<M87-16>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<YP51-A131>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<YP19-174>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<NC161-139>
Scientific and Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1978.<NC141-36>
Scientific and Technical Information Division, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print Off.1978.<M87-17>
Scientific & Technical Information Office, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.1977.<NC161-151>