Harward, Charles N., author.
[Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, October 1980.
1980-
Collins, William E. (William Eugene), author.
New York, New York : Aldridge Laboratory of Applied Geophysics, Columbia University : [Washington, D.C.] : [National Aeronautics and Space Administration], [1984?]
1984
Sromovsky, Lawrence A.
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
1994
Website