✦ LIBER ✦
Some theoretical aspects of the conditions for fracture of coal or rock during cutting
✍ Scribed by P. G. Sidorov
- Publisher
- Springer
- Year
- 1967
- Tongue
- English
- Weight
- 421 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1573-8736
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