共 50 条
- [35] WANKIE - THE ZIMBABWE COAL-MINE [J]. TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION A-MINING INDUSTRY, 1989, 98 : A31 - A42
- [37] STATISTICAL CHARACTERISTICS OF COAL-MINE DISCHARGES ON WESTERN PENNSYLVANIA REMINING SITES [J]. WATER RESOURCES BULLETIN, 1994, 30 (05): : 861 - 869
- [38] EFFECT OF POWDERED COAL ON PLANT-GROWTH AND COMPOSITION [J]. JOURNAL OF PLANT NUTRITION, 1980, 2 (1-2) : 159 - 161
- [40] COAL-MINE PERMITS - IMPORTANCE OF TIMING [J]. MINING CONGRESS JOURNAL, 1976, 62 (07): : 38 - 47