✦ LIBER ✦
Calculating the parameters of the water-air covering of the face area in workings cut by entry drifting machines
✍ Scribed by S. I. Sergeev; P. A. Bezglasnyi
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 283 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1573-8736
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