✦ LIBER ✦
Enlarging the North shaft of the Eastern area by Preussag AG Kohle (in German) : Schallenberg, E Bergbau, V29, N9, Sept 1978, P404–409
- Book ID
- 100005003
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 93 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0148-9062
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