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- [36] THE PLANNING AND ESTABLISHMENT OF THE GROOTEGELUK COAL-MINE JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY, 1982, 82 (12): : 341 - 352
- [37] A MODEL FOR UNDERGROUND COAL-MINE DESIGN PROCEEDINGS : 1989 MULTINATIONAL CONFERENCE ON MINE PLANNING AND DESIGN, 1989, : 59 - 69
- [38] CONVERSION OF COAL-MINE DRAINAGE TO POTABLE WATER BY ION-EXCHANGE JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1972, 64 (11): : 775 - &
- [40] Methane content of coal-mine air TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1927, 75 : 592 - 597