Roof water disaster in coal mining in ecologically fragile mining areas : formation mechanism and prevention and control measures Yifan Zeng, Zhenzhong Pang, Qiang Wu, Hui Qing Lian, Xin Du.

by Zeng, Yifan, Pang, Zhenzhong, Wu, Qiang (Writer on coal mines and mining), Lian, Hui Qing, Du, Xin
Published 2023