坚硬厚层顶板弱化条件下矿压显现特征分析
沈孟飞,余忠林
Analysis on the Strata Behavior Characteristics Under the Condition of Hard and Thick Roof Weakening
煤炭工程 . 2014, (10): 173 -176 .  DOI: 10.11799/ce201410049