1. A. L. Aleksandrovskii and E. I. Aleksandrovskaya, Evolution of Soils and the Geographical Environment (Nauka, Moscow, 2005) [in Russian].
2. A. A. Velichko, N. Catto, A. S. Tesakov, V. V. Titov, T. D. Morozova, V. V. Semenov, and S. N. Timireva, “Structural specificity of pleistocene loess and soil formation of the southern Russian plain according to materials of Eastern Priazovie,” Dokl. Earth Sci. 429 (8), 1364–1368 (2009).
3. Mikulino paleosol, its peculiarities and stratigraphic significance;A. A. Velichko,1963
4. L. A. Vorob’eva, Theory and Practice of the Chemical Analysis of Soils (GEOS, Moscow, 2006) [in Russian].
5. N. I. Glushankova, Paleopedogenesis and Natural Environment of Eastern Europe in the Pleistocene (Madzhenta, Smolensk, 2008) [in Russian].