特厚煤层开采覆岩裂隙演化规律及分形特征研究
彭宝山, 刘前进, 杨学孟, 李质峰
Fractal evolution of mining fracture in overlying rock of thick coal seam based on box covering method
煤炭工程 . 2025, (12): 136 -143 .  DOI: 10. 11799/ ce202512018