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3. M. Z. Gainutdinov, M. Yu. Gilyazov, and I. T. Khramov, “Changes in the Agrochemical Properties of Leached Chernozems under the Impact of Wastewater from Oil Wells and Their Rehabilitation,” Agrokhimiya, No. 7, 111–116 (1982).
4. E. N. Gapon, “Quantitative Regularities in the Theory of Soil Adsorption Capacity,” Khimiz. Sotsial. Zemledel., Nos. 11–12, 18–32 (1932).
5. M. Yu. Gilyazov and I. A. Gaisin, Techonenic Halogenesis in the Areas of Oil Mining (Moscow, 2009) [in Russian].