1. Eighteenth Symposium (International) on Combustion;Hertzberg,1981
2. Nineteenth Symposium (International) on Combustion;Hertzberg,1982
3. Colloque International: Berthelot-Vieille-Mallard-LeChatelier;Hertzberg,1981
4. The Flammability Limits of Gases, Vapors and Dusts: Theory and Experiment. Fuel-Air Explosions;Hertzberg,1982