Processing and utilization of high sulfur coals : proceedings of the first International conference on processing and utilization of high sulfur coals, October 13-17, 1985, Columbus, Ohio, U.S.A. / ed. by Yosry A. Attia

Processing and utilization of high sulfur coals : proceedings of the first International conference on processing and utilization of high sulfur coals, October 13-17, 1985, Columbus, Ohio, U.S.A. / ed. by Yosry A. Attia