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2. A. Bulach, Berechung Von Mineralformeln (Verlag für Grundstoffindustrie, Leipzig, 1970).
3. 3. A. G. Bulakh, “Isomorphism and Choice of Mineral Name” Zap. Ross. Mineral. O-va 138(3), 108–111 (2009). [Geol. Ore Deposits, Zap. Russian Mineral. Soc. 52 (7), (2010)].
4. A. G. Bulakh, Guidebook and Tables for Calculation of Mineral Formulas (Nedra, Moscow, 1964) [in Russian].
5. A. G. Bulakh, V. G. Krivovichev, and A. A. Zolotarev, Mineral Formulas. Thermodynamic Analysis in Mineralogy and Geochemistry. Practical Guidebook and Handbook (St. Petersburg State Univ., St. Petersburg, 1995) [in Russian].