1. A. L. Aleksandrovskii and E. I. Aleksandrovskaya, Soil Evolution and the Environment (Nauka, Moscow, 2005) [in Russian].
2. B. P. Akhtyrtsev and A. S. Shchetinina, Changes in the Properties of Gray Forest Soils of the Central Forest-Steppe Region under the Impact of Agricultural Development (Saransk, 1969) [in Russian].
3. M. V. Bobrovskii, “Soil Evolution in the Kaluzhskie Zaseki Abatis: The Analysis of Chronosequences of Exogenous and Endogenous Impacts,” in Problems of Soil Evolution (Materials of the 4th All-Russia Conf.) (Polteks, Moscow, 2001), pp. 153–155 [in Russian].
4. A. V. Gedymin and A. T. Kharitonychev, “The Use of Old Cartographic Materials for Landscape Studies,” in Modern Problems of Geography (Nauka, Moscow, 1964), pp. 298–302 [in Russian].
5. A. N. Gennadiev, “Spatio-Temporal Models of Soil Development,” in Evolution and Age of Soils in the Soviet Union (Pushchino, 1986), pp. 67–75 [in Russian].