TY - CPAPER AU - М. П. Сартаков TI - COMPARATIVE ANALYSIS OF CHEMICAL COMPOSITION OF HUMIC ACIDS EXTRACTED FROM SAPROPELS FOUND IN LAKES OF KHANTY-MANSIYSK AUTONOMOUS OKRUG AND NOVOSIBIRSK REGION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Ecology, Economics, Education and Legislation PY - 2018 SP - 191 EP - 198 DO - 10.5593/sgem2018/5.1/s20.025 PB - STEF92 Technology ER -