✦ LIBER ✦
804158 use of rock bolts in connection with the new Austrian tunneling method in coal mines (in German) : Zillessen, C Bergbau, V30, N1, Jan 1979, P39–41
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 101 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0148-9062
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