1. Coalbed gas system, resources, and production and a review of contrasting cases from the San Juan and Powder River basins;Ayers;American Association of Petroleum Geologists Bulletin,2002
2. Coalbed methane resources and reservoir characteristics from the Alberta Plains, Canada;Beaton;International Journal of Coal Geology,2006
3. Methodology of coalbed methane resource assessment;Boyer;International Journal of Coal Geology,1998
4. Adsorption of gases in multimolecular layers;Brunauer;Journal of the American Chemical Society,1938
5. Adsorption hysteresis in porous materials;Burgess;Pure and Applied Chemistry,1989