1. S. Basu and J. A. Fay,Seventh Symposium (International) on Combustion(Butterworths Scientific Publications Ltd., London, England, 1959), p. 277.
2. Studies on the ionization produced by metallic salts in flames II. Reactions governed by ionic equilibria in coal-gas/air flames containing alkali metal salts
3. Electrical Conductivity of Highly Ionized Argon Produced by Shock Waves
4. S. Chapman and T. G. Cowling,The Mathematical Theory of Non-Uniform Gases(Cambridge University Press, London, England, 1952), Secs. 18.12 and 14.2, and Table 6, Sec. 10.53.
5. J. Tuzson, Sc.D. Thesis in Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, 1959.