O.E. Aksyutin, A.G. Ishkov, K.V. Romanov, and V.A. Grachev. “THE INFLUENCE OF METHANE ON CLIMATE CHANGE”. GEOMATE Journal, vol. 16, no. 55, Mar. 2019, pp. 153-9, https://geomatejournal.com/geomate/article/view/2494.