1. Sixth Symposium (International) on Combustion;Kumagai,1957
2. Twelfth Symposium (International) on Combustion;Faeth,1969
3. Thirteenth Symposium (International) on Combustion;Lazar,1971
4. Ignition and combustion of coal particles at zero gravity
5. Combustion of emulsified fuel droplets under microgravity