1. Phillips, L. F., and Sugden, T. M., Canad. J. Chem., 38, 1804 (1960).
2. Gaydon, A. G., The Spectroscopy of Flames (Chapman and Hall, Ltd., London, 1957).
3. Sugden, T. M., Bulewicz, E. M., and Demerdache, A., Chemical Reactions in the Upper Atmosphere, 89 (Interscience Publishers, Inc., New York, 1962).
4. Bulewicz, E. M., and Sugden, T. M., Proc. Roy. Soc., A, 277, 143 (1964).
5. JANAF Thermochemical Tables (Dow Chemical Co., Midland, Michigan, 1960).