2003. THE ROLE OF GAS ATMOSPHERE FORMING INSIDE HYDRARGYLLITE AND PYRITE GRAINS DURING THE THERMAL DECOMPOSITION OF THE MATERIAL. Proceedings of the YSU B: Chemical and Biological Sciences. 37, 1 (200) (Mar. 2003), 135–137. DOI:https://doi.org/10.46991/PYSUB.2003.37.1.135.