Underground coal gasification and its strategic significance to the development of natural gas industry in China
ZOU Caineng,CHEN Yanpeng,KONG Lingfeng,SUN Fenjin,CHEN Shanshan,DONG Zhen
Petroleum Exploration & Development . 2019, (2): 205 -215 .  DOI: 10.1016/S1876-3804(19)60002-9