1. A. B. Ronov and A. A. Yaroshevsky, “A Model of Chemical Structure of the Earth’s Crust,” Geokhimiya, No. 11, 1285–1309 (1967).
2. A. B. Ronov, A. A. Yaroshevsky, and A. A. Migdisov, Chemical Structure of the Earth’s Crust and the Geochemical Balance of Major Elements (Nauka, Moscow, 1990) [in Russian].
3. R. A. Daly, “First Calcareous Fossils and the Evolution of Limestones,” Bull. Geol. Soc. Amer. 20(2), 153–170 (1909).
4. A. P. Vinogradov, “On Reasons for the Absence of Calcareous (CaCO3) Skeletons in Precambrian Invertebrates,” Dokl. Akad. Nauk SSSR 27(3), 230–233 (1940).
5. A. B. Ronov, “Compositional Evolution of Rocks and Geochemical Processes in the Sedimentary Shell of the Earth,” Geokhimiya, No. 2, 137–147 (1972).