Technology and use of lignite : proceedings: Bureau of Mines - University of North Dakota Symposium, Bismarck, N. Dak., May 12 - 13, 1971

Veröffentlicht 1972

Technology and use of lignite : proceedings: Bureau of Mines - University of North Dakota Symposium, Grand Forks, N. Dak., April 27 - 28, 1967

Veröffentlicht 1968

Technology and use of lignite : proceedings: Bureau of Mines - University of North Dakota Symposium, Grand Forks, N. Dak., April - May 1963

Veröffentlicht 1964

Technology and use of lignite : Proceedings. Bureau of Mines, Univ. of North Dakota Symposium, Grand Forks, N. Dak., May 1-2, 1969. Comp. by James L. Elder and Wayne R. Kube

Veröffentlicht 1970

Technology and use of lignite : proceedings of a symposium ... Grand Forks, North Dakota, May 14 - 15, 1975

Veröffentlicht 1975

Technology and use of lignite : proceedings of the Tenth Biennial Lignite Symposium ... Grand Forks, North Dakota, May 30 - 31, 1979

Veröffentlicht 1980

Technology and use of lignite : proceedings of the Eleventh Biennial Lignite Symposium, June 15 - 17, 1981

Veröffentlicht 1982

Analysis of the northern graet plains province lignites and their ash : a study of variability

von Sondreal, Everatt A.
Veröffentlicht 1968

Bench scale carbonization of lignite from the Northern Great Plains Province : a statistical approach

von Boteler, Daniel C.
Veröffentlicht 1970

Proceedings of a Symposium Technology and Use of lignite, Grand Forks, North Dakota, May 18 - 19, 1977

Veröffentlicht 1978