TY - CPAPER AU - Anna V. Mikhailenko AU - Yury Fedorov AU - Irina Dotsenko TI - ELEMENTS OF MERCURY BALANCE IN THE CASCADE WATER SYSTEM OF THE DON RIVER T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Ecology, Economics, Education and Legislation PY - 2020 SP - 291 EP - 298 DO - 10.5593/sgem2020/5.1/s20.037 PB - STEF92 Technology ER -