近距离煤层综采面过上层煤柱矿压显现规律及顶板控制研究
彭海兵,李瑞群
Study of Roof Control technology and rule of ground pressure when lower leaf fully mechanized workface going out top coal pillar of Close distance coal seams
煤炭工程 . 2015, (8): 84 -87 .  DOI: 10.11799/ce201508028