✦ LIBER ✦
Surface effects of total coal-seam extraction by underground mining methods : Wagner, H; Schumann, E H R J S Afr Inst Min MetallV91, N7, July 1991, P221–231
- Book ID
- 100034045
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 122 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0148-9062
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