✦ LIBER ✦
Methods of total extraction by the re-use of roadways for retreat faces : Murray, G; Cocker, R Min EngrV149, N341, Feb 1990, P309–315
- Book ID
- 100027444
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 109 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0148-9062
No coin nor oath required. For personal study only.