1. Furman, V., The flint as the first useful mineral for stone age man on Podillia region, Visn. Lviv. Univ., Ser. Geol., 2009, no. 23, pp. 184–202.
2. Olodovski, P.P., Belko, N.T., Pozdnyakov, V.K., Istomin, Yu.P., and Karpel, O.V., Nat. Resour. Interdepart. Bull., 2001, no. 2, pp. 118–121.
3. Goncharuk, V.V., Chebotareva, R.D., Bashtan, S.Yu., Kosorukov, A.A., Demchenko, V.Ya., and Kaganov, V.Ya., The impact of flint on the water mineral composition, J. Water Chem. Technol., 2012, vol. 34, pp. 147–153.
4. Voronkov, M.G., Zelchan, G.I., and Lukevits E.Ya., Kremnii i zhizn’ (Biokhimiya, toksikologiya i farmakologiya soedinenii kremniya) (Silicon and Life: Biochemistry, Toxicology, and Pharmacology of Combined Silicon), Riga: Zinatne, 1971.
5. Goncharuk, V.V., Chebotareva, R.D., Kovalenko, V.F., and Pasichnaya, E.A., The Biotesting of tap water treated with silicon mineral using plant test organisms, J. Water Chem. Technol., 2011, vol. 33, pp. 328–332.