✦ LIBER ✦
Fracturing characteristics of main roof strata when mining uphill and downhill and its effect on stability of immediate roof (in Chinese) : Tiang Quzhen, Liu Jichang & Zhang Yunqing, Journal of China Coal Society, 19(2), 1994, pp 140–150
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 119 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0148-9062
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