共 50 条
- [4] Expansion of the commercial output of Estonian oil shale mining and professing ENERGY SOURCES, 1996, 18 (06): : 661 - 676
- [5] IMPROVED UNDERGROUND MINING DESIGN METHOD FOR ESTONIAN OIL SHALE DEPOSIT ENVIRONMENT, TECHNOLOGY, RESOURCES, PROCEEDINGS, 2005, : 270 - 274
- [10] TECHNOLOGY EXPERIENCE AND ECONOMICS OF OIL-SHALE MINING IN ESTONIA ENERGY SOURCES, 1995, 17 (06): : 703 - 718