1. Mineral Impurities in Coal Combustion;Raask,1985
2. Combustion Characterization of the Kentucky No. 9 Cleaned Coals;Chow,1987
3. Pilot-Scale Combustion Characterization of Two Illinois Coals;Griffith,1988
4. Impacts of Cleaning Texas Lignite on Boiler Performance and Economies;Durant,1989