✦ LIBER ✦
New ways of supporting mine working when winning 2.5M seams in vitezny colliery in the Ostrava-Karvina coalfield (in Czech) : Pozar, J Uhli, V30, N11, Nov 1982, P455–458
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 111 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0148-9062
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