1. Low Rank Coal Study: National Needs for Resource Development;Energy Resources Co., Inc.;Report prepared for the U.S.D.O.E.,1980
2. Application of liquefaction processes to low-rank coals;Willson,1979
3. Performance of low-rank coals in the Exxon Donor Solvent Process;Mitchell,1979
4. Statistical study on the batch conversion of estevan lignite into oils using carbon monoxide and hydrogen mixtures
5. Method for the determination of benzene insolubles, asphaltenes and oils in coal-derived liquids;Mima,1978