1. Abakumov, E.V., Gagarina, E.I., Vekhnik, V.P., et al., Soils of Samara bend: variety, genesis, protection, Izv. Samar. Nauch. Tsentra Ross. Akad. Nauk, 2008, no. 2.
2. Arzamastseva, N.V., Kovaleva, E.V., and Mukhametzyanov, R.R., Ways for inputting unused soils in agriculture cycle: critical analysis, Izv. Timiryazevskoi S-kh. Akad., 2022, no. 3.
3. Atlas zemel’ Samarskoi oblasti (Soils of the Samara Region: Atlas), Poroshina, L.N., Ed., Samara: Russian Soil Research Inst., 2002.
4. Dobrovol’skii, G.V., Soil degradation is the danger of the ecological crisis, in Kuda dvizhetsya vek globalizatsii? (Whither Globalization Era is Going), Chumakov, A.N. and Grinin, L.E., Eds., Volgograd, 2014.
5. Doklad o sostoyanii i ispol’zovanii zemel’ v Samarskoi oblasti v 2019 godu (Report on Samara Region Soils State and Utilization for 2019), Samara, 2020.