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Underground pressure characteristics analysis in back-gully mining of shallow coal seam under a bedrock gully slope[J] Wang Xufeng~(a;*);Zhang Dongsheng~(a;b);Fan Gangwei~a;Zhang Chengguo~a a School of Mines;China University of Mining & Technology;Xuzhou 221116;China b State Key Laboratory of Coal Resource and Mine Safety;China University of Mining & Technology;Xuzhou 221008;China Mining Science and Technology 2011, 01
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