开滦矿区14煤煤厚特征及沉积环境分析
吴金水, 刘景, 谢卫东, 李伍
Coal thickness characteristics and sedimentary environment analysis of No.14 coal in Kailuan Mining Area
煤炭工程 . 2019, (7): 129 -133 .  DOI: 10.11799/ce201907028