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采场余留矿量放顶回收及覆盖层回填技术
黄正全, 李建奇, 吕保
Technical Scheme for Recovering the Remaining Ore in Open-pit Slope in the Overlying-Bed Formation by  Caving in Transition to Underground Mining
HUANG Zheng-Quan, LI Jian-Qi, 吕Bao
金属矿山 . 2009, (06): 18 -20 .