Kang, X.; Xu, M.; Luo, S.; Xia, Q. - In: Natural Hazards 66 (2013) 2, pp. 291-301
Gases are common constituents of the underground environment, along with soils, rocks, and water. It is widely believed that gases in underground originate from the bacterial decomposition and thermal decomposition of organic and inorganic compounds, and geochemical reactions. Gases are usually...