TY - BOOK AU - Miller,Kenneth J ED - United States. TI - Desulfurization of various midwestern coals by flotation T2 - Report of investigations PY - 1978/// CY - [Washington] PB - U.S. Dept. of the Interior, Bureau of Mines KW - Coal preparation KW - Flotation KW - Coal KW - Middle West KW - Sulphur content KW - Desulphurization ER -