Loboda, N. S., and O. V. Smalii. “Role of Tributaries in Donbas in Ensuring the Quality of the Siverskyi Donets River Surface Water”. Ukrainian hydrometeorological journal, no. 24 (December 9, 2019): 64-71. Accessed November 24, 2024. http://uhmj.org.ua/index.php/journal/article/view/132.