Technology and Use of Lignite
Subtitle: Proceedings: Bureau of Mines-University of North Dakota Symposium, Grand Forks, N. Dak., April-May 1963.
Contributors: Kube, W.; Elder, J.
Series: Information circular (United States. Bureau of Mines) -- 8234
Publisher: s.n
Published: 1964
Place of publication: S.l
Language: eng
Notes: 1