1. Seventeenth Symposium (International) on Combustion;Suuberg,1979
2. Chemistry of Coal Utilisation, Second Supplementary Volume;Essenhigh,1981
3. Twentieth Symposium (International) on Combustion;Jost,1984
4. Twentieth Symposium (International) on Combustion;Okazaki,1984
5. Fundamental coal combustion mechanisms and pollutant formation in furnaces