1. https://www.iea.org/fuels-and-technologies/coal.
2. Fine characterization of pore structure of acidified anthracite based on liquid intrusion method and Micro-CT;Wen;Energy,2023
3. Fractal characteristics of coal samples utilizing image analysis and gas adsorption;Liu;Fuel,2016
4. Review of the adsorption equilibria of CO2, CH4, and their mixture on coals and shales at high pressures for enhanced CH4 recovery and CO2 sequestration;Jeong;Fluid Phase Equilib,2022
5. Coalbed methane: a review;Moore;Int J Coal Geol,2012