1. Eleventh Symposium (International) on Combustion;Porter,1967
2. Twelfth Symposium (International) on Combustion;Browne,1969
3. A Floating Double Probe Method for Measurements in Gas Discharges
4. Ninth Symposium (International) on Combustion;Calcote,1963
5. Seventh Symposium (International) on Combustion;Kinbara,1959