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3. Iveronova, M.I., Movement of Friable Surface Material on Soddy Mountain Slopes in the Forest-Meadow/Steppe Belt of Northern Tien Shan, Trudy In-ta geogr. AN SSSR, 1959, vol. 75, issue 6, pp. 26–50 [in Russian].
4. Titova, Z.A., Dynamics of Contemporary Exogenous Processes, in Study of Steppe Geosystems Across Time, Novosibirsk: Nauka, 1976 [in Russian].
5. Rashba, I.N., Transformation of the Relief, in Natural Regimes of the Steppes of the Minusinskaya Depression (Exemplified by the Koibal’skaya Steppe), Novosibirsk: Nauka, 1975 [in Russian].