✦ LIBER ✦
Tunnelling machinery for coal mines in the 1980's : Colliery Guard, V230, N3, March 1982, P120–124
✍ Scribed by K.G. Wort
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 109 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0148-9062
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