Failure characteristics analysis of deep coal seam floor

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[1]	ZHU Shu-yun, CAO Ding-tao, ZHOU Hai-yang, YANG Chao-wei, LIU Jin-guo. Restrictive function of lithology and its composite structure on deformation and failure depth of mining coal seam floor [J]. Journal of Mining & Safety Engineering, 2014, 31(1): 90-96.
[2]	WEI Chun-rong, LI Yan-xia, SUN Jian-hua, MI Hong-wei, LI Jun. Gas emission rate prediction in coal mine by grey and separated resources prediction method [J]. Journal of Mining & Safety Engineering, 2013, 30(4): 628-632.

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