1. Coal Fouling and Slagging Parameters;Winegartner,1974
2. An overview of slagging/fouling due to impurities in coal;Bryers,1987
3. Coal and Coal Products: Analytical Characterization Techniques;Huggins,1982
4. Mineral Impurities in Coal Combustion;Raask,1985
5. The use of gravity fractionation techniques for assessing slagging and fouling potential of coal ash;Borio,1978