✦ LIBER ✦
Methods of accelerating gas emission after extensive blasting in open-cut mines
✍ Scribed by P. V. Beresnevich; V. A. Mikhailov
- Publisher
- Springer
- Year
- 1970
- Tongue
- English
- Weight
- 307 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1573-8736
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