共 50 条
- [42] LONGWALL MINING IN CANADA WITH POWERED SUPPORTS CANADIAN MINING AND METALLURGICAL BULLETIN, 1968, 61 (671): : 273 - &
- [43] MINING POTASH ORES IN CARLSBAD AREA TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1949, 184 (10): : 381 - 382
- [48] INFLUENCE OF LITHOLOGY ON LONGWALL MINING SUBSIDENCE MINING ENGINEERING, 1984, 36 (12) : 1666 - 1671
- [49] METHANE DRAINAGE IN LONGWALL COAL MINING JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY, 1989, 89 (03): : 61 - 72