1. Proc. Direct Liquefaction Contractors' Review Meeting;Duddy,1986
2. Proc. Coal Conversion Contractors' Review Meeting;Kelly,1985
3. presented at the 13th Biennial Lignite Symposium on Technology and Use of Low Rank Coals;Miller,1985
4. Proc. Direct Liquefaction Contractors' Review Meeting, U.S. DOE, Pittsburgh Energy Technology Center;Lett,1986