Portnov, V., A. Golik, G. Duganova, N. Khuangan, A. Kenetayeva, M. Rabatuly, and H. Peng. “Identification of Methane-Bearing Coal Seams in Borehole Sections of the Karaganda Basin Using Geophysical Logging Data”. Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources, vol. 345, no. 2, June 2026, pp. 72-83, doi:10.31643/2028/6445.17.