凤凰山矿XV1304工作面石灰岩坚硬顶板运动规律研究
王俊杰,赵磊磊
Study on Movement Law about Limestone Hard Roof of XV1304 Coal Face in Fenghuangshan Coal Mine
煤炭工程 . 2014, (11): 54 -56 .  DOI: 10.11799/ce201411017