Naumkо I. М., M. I. Pavlyuk, Svoren Y. М., and M. I. Zubyk. “Gases of Coal Fields: A New Solution of the Problem of synthesis–genesis of Methane”. Reports of the National Academy of Sciences of Ukraine, no. 3, Oct. 2024, pp. 61-68, doi:10.15407/dopovidi2016.03.061.