1. Aksenov, G.P., 1993. Vladimir Vernadsky: Biography, Selected Works, Reminiscences of Contemporaries, Opinions of Descendants. Sovremennik, Мoscow (in Russian).
2. Alekin, O.A., 1970. Fundamental Hydrochemistry. Gidrometeoizdat, Leningrad (in Russian).
3. Alekseenko, V.A., 1997. Migration and Concentration of Chemical Elements in the Biosphere. Izdatel’stvo KGTU, Krasnodar (in Russian).
4. Anosin, G.N., Malikov, I.N., Kovalev, S.I., 1996. Mercury in soils of southern west Siberia. In: Baeyens, W., Ebinghaus, R, Vasiliev, O. (Eds.), Global and Regional Mercury Cycles: Sources, Fluxes and Mass Balances. Kluwer Academic Publishers, the Netherlands, pp. 19–28.
5. Appelo, C.A.J., Postma, D., 2005. Geochemistry, Groundwater and Pollution. CRC Press, New York.