1. G. E. HAHNE, The Vacuum Ultraviolet Radiation from N+—and O+—Electron Recombination in High Temperature Air, NASA TN D 2794 (June 1965).
2. D. R. CHURCHILL, B. H. ARMSTRONG and K. G. MUELLER, Absorption Coefficients of Heated Air: A Compilation to 24,000°K, AFWL-TR 65–132, Vols. 1 and 2 (October 1965).
3. J. H. CHIN, Inviscid Radiating Flow Around Bodies, Including the Effect of Energy Loss and Non-Grey Self-Absorption, Lockheed Missiles and Space Company, Report LMSC 668005 (October 1965).