✦ LIBER ✦
804160 development trends in roof bolting in coal mine roadways (in Polish) : Twardokes, K; Zywirski, K Przegl Gorn, V35, N9, Sept 1979, P357–362
- Book ID
- 100006711
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 98 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0148-9062
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