Proceedings of the 14th biennial lignite symposium on the technology and utilization of low-rank coals, May 18-21, 1987, Dallas, Texas ; sponsors, University of North Dakota Energy Research Center and U.S. Department of Energy ; coordinated by the University of North Dakota. - Biennial lignite Symposium on the Technology and Utilization of Low-Rank Coals Texas) 1987 ([s.l. : s.n.], 1987)
Computer printout.
Keywords: Lignite -- United States