References
- He XQ, Nie BS, Wang EY: J. China Coal Soc., 2007, 1, 56–59.
- Yuan L: Coal Sci. Technol., 2003, 31, (11), 1–4.
- Peng SS, Chiang HS: ‘Longwall Mining’, 708; 1984, New York, Wiley.
- Bai M, Kendorski F, van Roosendaal D: Proc. 14th Int. Conf. on ‘Ground control in mining’, 209–217; 1995, Morgantown, WV, West Virginia University.
- Xu JL, Qian MG: J. China Min., 2001, 10, (6), 54–56.
- Qian MG, Liu TC: ‘Mining pressure and its control’ 1996, Beijing, China Coal Industry Publishing House.
- Qian MG, Xu JL: J. China Coal Soc., 1998, 23, (5), 466–469.
- Cheng QY, Huang BX, Li ZH, Wang HF, Wang YL: Safety Environ. Mines, 2006, 33, (6), 54–57.
- Zhang ZG, Wang JH, Liu JB: Safety Environ. Mines, 2007, 34, (2), 38–40.
- Liu MX: Sci. Technol. Shenhua, 2009, 7, (5), 28–31.
- Li WD: Min. Safety, 2009, (10), 15–17.
- Sun XX, Wan B, Ma ZS: Sci. Technol. Shandong Min., 2009, (4), 10–11.
- Yuan L: ‘Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability’, 2008, Beijing, China Coal Industry Publishing House.