✦ LIBER ✦
Consideration of the natural draft when ventilating underground workings in mountainous areas
✍ Scribed by M. A. Reznikov; L. P. Kachalina
- Book ID
- 105195692
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 335 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1570-1468
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