Karr, Gerald R.
Huntsville, Ala. : University of Alabama in Huntsville ; Marshall Space Flight Center, Ala. : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, [1985]
1985
Lorenzini, Enrico.
Cambridge, Mass. : Smithsonian Institution Astrophysical Observatory ; Huntsville, Ala. : National Aeronautics and Space Administration, Marshall Space Flight Center, [1986]
1986
Website