Technology and Use of Lignite Proceedings
Subtitle: Bureau of Mines : University of North Dakota Symposium, Grand Forks, N. Dak., April 1961.
Contributors: Elder, J.; Kube, W.
Series: Information circular (United States. Bureau of Mines) -- 8164
Publisher: s.n
Published: 1963
Place of publication: S.l
Language: eng
Notes: 1