特厚煤层煤矸互层复合顶煤体冒落特征研究
薛吉胜, 杜龙飞, 赵铁林, 张晨阳
Research on caving characteristics of coal gangue interbedded composite top coal body in extra-thick coal seam
煤炭工程 . 2020, (12): 91 -96 .  DOI: 10.11799/ce202012020