For citations:
Savenko A.V., Savenko V.S., Maslov A.A. Variability of fluorine concentration in the Essentuki mineral water field and its relationship with hydrogeological conditions. Moscow University Bulletin. Series 4. Geology. 2024;(6):173-178. (In Russ.) https://doi.org/10.55959/MSU0579-9406-4-2024-63-6-173-178