共 50 条
- [33] VIEWPOINT + CANADIAN MULTICULTURALISM PERFORMING ARTS & ENTERTAINMENT IN CANADA, 1989, 25 (04): : 46 - 46
- [36] A PRELIMINARY ASSESSMENT OF COAL SLURRY PH AND COAL FLOTATION AS PARAMETERS OF WEATHERING IN WESTERN CANADIAN COALS CIM BULLETIN, 1981, 74 (830): : 52 - 54
- [37] OPERATIONS-RESEARCH FOR WESTERN CANADIAN COAL OIL SANDS MINES 21ST APPLICATION OF THE COMPUTERS AND OPERATIONS RESEARCH IN THE MINERAL INDUSTRY, 1989, : 646 - 652
- [38] CHARACTERISTICS OF WESTERN CANADIAN COAL SEAMS AND THEIR EFFECT ON MINE DESIGN. Mining Magazine, 1980, 143 (06): : 557 - 565
- [39] Incomes of bituminous coal producers QUARTERLY PUBLICATIONS OF THE AMERICAN STATISTICAL ASSOCIATION, 1921, 17 : 203 - 209