Stability Analysis on Different Spans of Sublevel Room of Mediumlength Hole in Maluping Mine

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Chen-Tian-Yun-1, HE Zhong-Guo-1, GUO Zi-Yuan-2, PENG Kang-2, HE Feng-Jian-2, LIU Zhi-Xiang-2

Modern Mining . 2010, (11): 5 -7 .