✦ LIBER ✦
Influence of physical-chemical characteristics of rocks on horizon mining and selection of support systems in the conditions in the Valea Jiului coalfield (in Romanian) : Mine, Petrol Si Gaze, V32, N10, 1981, P463–473
✍ Scribed by N. Letu; C. Seman
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 115 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0148-9062
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