1. J. P. Elder and M. B. Harris, Fuel, 63 (1984) 262.
2. J. P. Elder and V. B. Reddy, Proc. Eastern Oil Shale Symposium, Lexington, KY, November, 1983, p. 255.
3. H. E. Kissinger, J. Res. Nat. Bur. Stds., 57 (1956) 217.
4. T. Ozawa, J. Thermal Anal., 2 (1970) 301.
5. J. P. Elder, in Analytical Calorimetry, Vol. 5 (Eds. P. S. Gill and J. F. Johnson) Plenum Press, New York, 1984, p. 269.