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2. V. V. Dokuchaev, “Ways of Formation of River Valleys in European Russia,” in Selected Works, Vol. 1, 113–255 (Izd. Akad. Nauk SSSR, Leningrad-Moscow, 1949) [in Russian].
3. F. R. Zaidel’man, Genesis and Ecological Fundamentals of Reclamation of Soils and Landscapes (Izd. KDU, Moscow, 2009) [in Russian].
4. F. R. Zaidel’man, Hydrological Regime of Soils in the Nonchernozemic Zone (Gidrometeoizdat, Leningrad, 1985) [in Russian].
5. F. R. Zaidel’man, Natural and Anthropogenic Waterlogging of Soils. Degradation, Use, and Protection (Gidrometeoizdat, St. Petersburg, 1992) [in Russian].