共 50 条
- [1] Shortwall retreat mining. An innovative concept Journal of Mines, Metals and Fuels, 1989, 37 (6-7): : 255 - 260
- [2] MOBILE ROOF SUPPORT AND APPLICATIONS IN RETREAT MINING. Information Circular - United States, Bureau of Mines, 1984, : 133 - 137
- [3] AMERICAN DEVELOPMENT PRACTICES FOR RETREAT LONGWALL MINING. Mining Engineer London, 1987, 146 (309): : 728 - 732