Hampton, Va. : Dept. of Physics, Hampton University : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1990]
1990
Hampton, Va. : Dept. of Physics, Hampton University : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1990]
1990