✦ LIBER ✦
Calculation of the fall in gas pressure during degassing of thin coal seams by large-diameter boreholes
✍ Scribed by V. V. Khodot; R. N. Isaeva; V. G. Krupenya
- Publisher
- Springer
- Year
- 1972
- Tongue
- English
- Weight
- 220 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1573-8736
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