1. International Energy Agency (IEA). Key World Energy Statistics, Paris. (); 2015, p. 5–9.
2. Annual energy outlook 2015;Energy Information Administration (EIA),2015
3. Review of research efforts in coalbed methane recovery, Society of Petroleum Engineers (SPE) Asia-Pacific Conference;Metcalfe,1991
4. Coal-bed methane enhancement with CO2 sequestration: worldwide potential;Gale;Environ Geosci,2001
5. Williams J, Stubbs T, Milligan A. An analysis of coal seam gas production and natural resource management in Australia. A report prepared for the Australian Council of Environmental Deans and Directors by John Williams Scientific Services Pty Ltd, Canberra, Australia. ; 2012.