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3. B. P. Gradusov, Mixed-Layered Minerals in Soils (Nauka, Moscow, 1976) [in Russian].
4. B. B. Zvyagin, “Calculation of Structural Chemical Formulas,” in Methodological Recommendations for the Petrographic-Mineralogical Study of Clays (Akad. Nauk SSSR, Moscow, 1957), pp. 126–137 [in Russian].
5. I. K. Karpov, “Calculation of Chemical Equilibria in Open Systems by Computerized Minimization of the Korzhinskii Potential,” Dokl. Akad. Nauk SSSR 205(5), 1221–1224 (1972).