Study on Optimization of Gas Drainage Methods in High-burst MinesFengfeng Yang, Dongfang Gao, Jufeng Zhang, Kezhen Zhao, Tai Xu, Chao Zheng and Liping BaiE3S Web Conf., 118 (2019) 03034DOI: https://doi.org/10.1051/e3sconf/201911803034