1. Diamond, W.P. and Levine, J.R., Direct Method Determination of the Gas Content of Coal: Procedures and Results, Pittsburgh, PA: US Dep. Interior, 1981.
2. Plaksin, M.S. and Kozyreva, E.N., Determining the gas content of coal beds, Coke Chem., 2021, vol. 64, no. 4, pp. 144–147. https://doi.org/10.3103/S1068364X21040062
3. Li, J., Lu, S., Zhang, P., et al., Estimation of gas-in-place content in coal and shale reservoirs: a process analysis method and its preliminary application, Fuel, 2020, vol. 259, no. 1, p. 116266. https://doi.org/10.1016/j.fuel.2019.116266
4. Dubinin, M.M. and Astakhov, V.A., Development of the concept of the volumetric filling of micropores during the adsorption of gases and vapors by microporous adsorbents, Izv. Akad. Nauk SSSR, Ser. Khim., 1971, no. 5, pp. 5–28.
5. Shepeleva, S.A., Dyrdin, V.V., Kim, T.L., et al., Metan i vybrosoopasnost’ ugol’nykh plastov (Methane and Its Release Danger from Coal Seams), Tomsk: Tomsk. Gos. Univ., 2015.