东曲煤矿综采工作面端面顶板失稳规律及其控制研究
龚红鹏,李建伟,等
Instability Pattern and Control of the roof of Mechanized mining head face in Dongqu Mine
煤炭工程 . 2014, (1): 87 -89 .  DOI: 10.11799/ce201401028