1. Technical Progress Report - Run 242 with Illinois #6 Coal, DOE/PC/50041-19, July, 1983.
2. Topical Report No. 14. Catalyst Activity Trends in Two-Stage Coal Liquefaction, DOE/PC/50041-30, February, 1984, p. 4.
3. An Empirical Method for Electron Microanalysis.
4. Instruction Manual for CHN-60 Analyzer, Instruction Manual for SC-132 Sulfur System, Leco Corp., St. Joseph, Michigan.