Anastasiya Kostryukova, Irina Mashkova, Elena Shchelkanova, Viktor Trofimenko, and Julia Maslova. “TIME-SPACE ASSESSMENT OF WATER QUALITY OF MIASS RIVER”. GEOMATE Journal, vol. 19, no. 74, Oct. 2020, pp. 145-52, https://geomatejournal.com/geomate/article/view/1867.