1. V.Gorecka, S.Suiiborski, T.Biskupski. Direct pulp capping with a dentin adhesive resin system in children's permanent teeth after traumatic injuries: case reports // Quintessence Int. 2000, v.3, p.241-248.
2. B.A.Burt. Concepts of risk in dental public health // Community Dent. Oral Epidemiol. 2005, v.33, p.240-247.
3. L.Votjakov, D.V.Kiselyov, J.V.Shchapova, et al. Physical and chemical characteristics of the fossil bone rests of mammals and a problem of an estimation of their relative age, part 2, Ekaterinburg, publishing house "Goshchitsky", 2009, 82p. (in Russian).
4. The infrared spectra of minerals/ Edited by V.C.Farmer. Mineralogical society, Monograph 4, London SW7 5HR, 1974, 539 p.
5. E.Larsen, G.Berman. Defnition transparent minerals under a microscope. M.: Publishing house "Bowels", 1965, 464p. (in Russian).