“Determination of Algae Concentrations in Some Water Bodies in the Voronezh Region Using an «Algae Tarch» Fluorometer”. Proceedings of Voronezh State University. Series: Geography. Geoecology, no. 3, Oct. 2022, pp. 116-21, https://doi.org/10.17308/geo/1609-0683/2022/3/116-121.