1. Twenty-Fourth Symposium (International) on Combustion;Schroeder,1992
2. Twenty-First Symposium (International) on Combustion;Mitchell,1988
3. Nineteenth Symposium (International) on Combustion;Mitchell,1982
4. Experimentally Determined Overall Burning Rates of Coal Chars
5. Twentieth Symposium (International) on Combustion;Tichenor,1985