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- [22] WATER INRUSH PROTECTION CRITERIA AND DEWATERING SCHEME AT SAKOG BROWN COAL-MINE, TRIMMELKAM, AUSTRIA THIRD INTERNATIONAL MINE WATER CONGRESS, 1988, : 583 - 588
- [26] WANKIE - THE ZIMBABWE COAL-MINE TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION A-MINING INDUSTRY, 1989, 98 : A31 - A42