煤层群混合开采采动裂隙发育规律研究

胡永忠, 刘长郄, 刘长友, 陈宝宝

Development regularity of mining-induced fractures in mixed mining of coal seam group

HU Yongzhong, LIU Changqie, LIU Changyou, CHEN Baobao

采矿与安全工程学报 . 2015, (3): 396 -400 .