1. E. J. Dlugokencky, Trends in atmospheric methane. https://www.esrl.noaa.gov/gmd/ccgg/trends_ch4/.
2. N. M. Bazhin, Methane in the Environment: Analytical Review (GPNTB SO RAN, 2010), vol. 93 [in Russian].
3. S. M. Semenov, I. L. Govor, and N. E. Uvarova, The Role of Methane in the Modern Climate Change (Moscow, 2018) [in Russian].
4. A. A. Kiselev and I. L. Karol’, Life with Methane (Gl. Geofiz. Obs. im. A.I. Voeikova, St. Petersburg, 2019) [in Russian].
5. A. V. Dzyuba, A. V. Eliseev, and I. I. Mokhov, “Estimates of changes in the rate of methane sink from the atmosphere under climate warming,” Izv., Atmos. Ocean. Phys. 48 (3), 332–342 (2012).