БОЛАТБЕКОВА, К. С.; МОКЕЕВА, М. Н. Estimation of quality of water of the river Shlina (inflow Vyshnevolockogo of the water basin). HERALD OF TVER STATE UNIVERSITY. SERIES: GEOGRAPHY AND GEOECOLOGY, [S. l.], n. 1, p. 49–54, 2018. Disponível em: https://journal.tversu.ru/index.php/geo/article/view/13. Acesso em: 13 nov. 2024.