✦ LIBER ✦
Choice of optimum variants for mining under towns and settlements in the donetz coal district (in German) : Petuchov, I A Freiberger Forschungsh, NA660, 1982, P237–245
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 111 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0148-9062
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