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4. Dorzhgotov, D. Main Features of Soil Geography of Northern Mongolia and Characteristic of Steppe Soils, Extended Abstract of Cand. Sci. (Geogr.) Dissertation, Moscow, 1973 [in Russian].
5. Kuz’min, V.A. Soils of Depressions of Baikalian Type, Irkutsk: Vost.–Sib. Kn. Izd., 1976 [in Russian].