✦ LIBER ✦
Swiss exhibition features latest in underground mining technology : Hoppe, R Engng Min J, V179, N5, May 1978, P110–113
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 111 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0148-9062
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