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- [2] STATUS OF COAL MINING INDUSTRY IN THE FEDERAL REPUBLIC OF GERMANY. Journal of Mines, Metals and Fuels, 1983, 32 (03): : 53 - 60
- [10] DEVELOPMENTS IN LONGWALL FACE TECHNOLOGY IN THE COAL MINING INDUSTRY OF THE FEDERAL REPUBLIC OF GERMANY. Journal of Mines, Metals and Fuels, 1988, 36 (02): : 73 - 96