1. Seventh Symposium (International) on Combustion;Kinbara,1959
2. Ninth Symposium (International) on Combustion;Calcote,1963
3. International Symposium on Properties and Applications of Low Temperature Plasmas;Cozens,1965
4. Ionization, extra-equilibrium excitation, and electron temperatures in flames
5. Tenth Symposium (International) on Combustion;Travers,1965