SYZONENKO, O.; SIZONENKO, K. Retrospective analysis of coal-bed gas (methane) recovery operations and use at mines of Donetsk region. Skhid, [S. l.], n. 5(125), 2013. DOI: 10.21847/1728-9343.2013.5(125).19035. Disponível em: http://skhid.kubg.edu.ua/article/view/19035. Acesso em: 1 jul. 2022.