National Aeronautics and Space Administration :b[For sale by the Office of Technical Services, Dept. of Commerce],
Heppner, James P., author.
Cain, Joseph C., author.
Shapiro, Ivan R., author.
Stolarik, John D., author.
United States. National Aeronautics and Space Administration.
Goddard Space Flight Center.
by James P. Heppner, Jospeph C. Cain, Ivan R. Shapiro, and John D. Stolarik