✦ LIBER ✦
Thick seam mining — A review of the methods : Dunham, R K World Coal, V4, N10, Oct 1978, P24–27
- Book ID
- 103560300
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 102 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0148-9062
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