“Groundwater Monitoring in the Area of Sulphide Copper-Nickel Deposits of Novokhopersk Ore District (Elan Site)”. Proceedings of Voronezh State University. Series: Geology, no. 1, Mar. 2023, pp. 106-19, https://doi.org/10.17308/geology/1609-0691/2023/1/106-119.