✦ LIBER ✦
Use of roof bolting in mines in West Germany and France : Newson, S R Min EngrV145, N292, Jan 1986, P281–288
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 215 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0148-9062
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