[Washington D.C.] : National Aeronautics and Space Administration, Astrophysics Division ; [Springfield, Va. : National Technical Information Service, distributor, 1987]
1987
Cambridge, MA : Smithsonian Astrophysical Observatory ; Marshall Space Flight Center, AL : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, [1992]
1992
National Research Council (U.S.). Committee on Space Astronomy and Astrophysics.
Washington, D.C. : National Academy Press : Available from [the] Space Science Board, 1987.
1987