Lebedev, Ivan V., Inna Z. Kamanina, and Svetlana P. Kaplina. “Content of Heavy Metals in the Lipetsk City Watercourses”. Proceedings of Voronezh State University. Series: Geography. Geoecology0, no. 1 (March 28, 2022): 74-82. Accessed December 5, 2025. https://journals.vsu.ru/geo/article/view/9088.