1. Bartlett, R.P. and Harvey, J.K. @lElectron Beam Measurements of the Density in a Hypersonic Turbulent Boundary Layer at Mach 9", IC Aero Report 80-01, 1980
2. Camac, M- "Flow Field Measurements with an Electron Beamw, AIAA Paper 68-722, 1968
3. Cassady, P. "Planar Laser Induced Fluorescence Measurements in Hypersonic Shock Tunnel Flown, AIAA Paper 90-1549, 1990