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- Experiments in Fleissner drying of North Dakota lignite
- Drying North Dakota lignite to 1,500 pounds pressure by the Fleissner process
- Technology and use of lignite proceedings : Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., April 1961
- Low-temperature carbonization of lignite and subbituminous coal :effect of hydrogen atmosphere to 1,000 pounds pressure
- Technology and use of lignite :proceedings : Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., April -May 1963
- Technology and use of lignite.Proceedings: Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., April 29-30, 1965
- Technology and use of lignite :proceedings, Bureau of Mines - University of North Dakota Symposium, Grand Forks, N. Dak., April 27-28, 1967
- Analysis of the northern Great Plains province lignites and their ash :a study of variability
- Technology and use of lignite :proceedings: Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., May 1-2, 1969
- Bench-scale carbonization of lignite from the northern Great Plains province :a statistical approach
- Technology and use of lignite :proceedings: Bureau of Mines - University of North Dakota Symposium, Bismarck, N. Dak., May 12-13, 1971