1. Bailey , A. B. J. Hiatt Free-flight measurements of sphere drag at subsonic, transonic, supersonic, and hypersonic speeds for continuum, transition, and near-free-molecular flow conditions Tullahoma, Tenn. 1971
2. Properties of the lower thermosphere;Champion;Space Res.,1970
3. The properties of the neutral atmosphere;Champion;Space Res.,1972
4. Champion , K. S. W. F. A. Marcos Densities from satellites OV1-15 and OV1-16 L. G. Hanscom Field, Bedford, Mass. 1969
5. Lower thermosphere density variations determined from accelerometers on the Cannon Ball II satellite;Champion;Space Res.,1973