1. Thermal behavior of mineral fractions separated from selected American coals;O’Gorman;Fuel,1973
2. Interaction between alkali and mineral matter of coal under pressurised combustion conditions. Prospects for coal science in the 21st century;Steffin,1999
3. Steffin C, Wanzl W, van Heek KH. Study on the evaporation and reaction of alkali in coal ashes. In: Proceedings of the ninth international coal science conference, Essen; 1997. p. 1055–58.
4. Kinetics of mineral matter transformation during coal combustion;Tomeczek;Fuel,2002
5. Couch G. Understanding slagging and fouling in pf combustion. London: IEACR/72, IEA Coal Research; August 1994.