Rudniev, Y., Filatieva, E., Filatiev, M., Tarasov, V. and Antoshchenko, M. (2023) “Engineering method for determining the sulfur of mineral impurities for the prediction of hazardous properties of coal seams”, Geofizicheskiy Zhurnal, 45(3). doi: 10.24028/gj.v45i3.282417.