Research on grading and early warning of coal spontaneous combustion based on correlation analysis of index gas
TAN Bo, SHAO Zhuangzhuang, GUO Yan, ZHAO Tong, ZHU Hongqing, LI Chuanxing
China Safety Science Journal . 2021, (2): 33 -39 .  DOI: 10.16265/j.cnki.issn 1003-3033.2021.02.005