14th International Congress for Applied Mineralogy (ICAM2019) : Belgorod State Technological University named after V. G. Shukhov, 23û27 September 2019, Belgorod, Russia
14th International Congress for Applied Mineralogy (ICAM2019) : Belgorod State Technological University named after V. G. Shukhov, 23û27 September 2019, Belgorod, Russia