✦ LIBER ✦
Examples of extraction of safety pillars with stowing of the roof (in Polish) : Labanowicz, H Ochrona Terenow Gorn, V14,N52, 1980, P3–11
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 110 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0148-9062
No coin nor oath required. For personal study only.