✦ LIBER ✦
Proposed technique for improving coal-mine roof stability by pillar softening : 12F, 3T, 11R. Trans. Soc. Min. Engrs. AIME, V256, N1, March, 1974, P59–63
✍ Scribed by F.D. Wang; D.M. Ropchan; M.C. Sun
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 106 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0148-9062
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