1. Properties of Carbonate Rocks Related to SO2 Reactivity;Borgwardt;Environ. Sci. Technol.,1972
2. Desulphurization during the Fluidized Combustion of Coal using Calcium-based Sorbents at Pressures up to 600 kPa;Bulewicz;J. Inst. Energy,1986
3. Chen, W. T., Private Communication, Illinois State Geological Survey (1990).
4. The Effect of Pressure on the Kinetics and Extent of Sulphation of Calcareous Materials;Dennis;Inst. Chem. Eng. Symp. Ser.,1984