1. Avtsyn, A.P., Zhavoronkov, A.A., Rish, M.A., and Strochkova, L.S., Mikroelementozy cheloveka (etiologiya, klassifikatsiya, organopatologiya) (Human Microelementoses (Etiology, Classification, Organopathology)), Moscow: Meditsina, 1991.
2. Alekin, O.A., Osnovy gidrokhimii (Fundamentals of Hydrochemistry), Leningrad: Gidrometeoizdat, 1970.
3. Anichkina, N.V., Studies of fluorine biogeochemistry in geosystem components, Nauch. Obozrenie. Biol. Nauki, 2016, no. 3, pp. 5–23.
4. Gabovich, R.D. and Minkh, A.A., Gigienicheskie problemy ftorirovaniya pit’evoi vody (Hygienic Problems of Drinking Water Fluorination), Moscow: Meditsina, 1979.
5. Gordeev, V.V., Geokhimiya sistemy reka–more (Geochemistry of the River–Sea System), Moscow, 2012.