1. Astakhov, V., Pestova, L., and Shkatova, V., Loessoids of Russia: Varieties and distribution, Quat. Int., 2022, vol. 620, pp. 24–35. https://doi.org/10.1016/j.quaint.2021.01.005
2. Balaev, L.G. and Tsarev, P.V., Lessovye porody Tsentral’nogo i Vostochnogo Predkavkaz’ya (Loess Rocks in Central and Eastern Ciscaucasia), Moscow: Nauka, 1964.
3. Bolikhovskaya, N.S., Evolyutsiya lessovo-pochvennoi formatsii Severnoi Evrazii (Evolution of the Loess–Soil Formation in Northern Eurasia). Moscow: MGU, 1995.
4. Bolikhovskaya, N.S., Markova, A.K., and Faustov, S.S., Changes of landscape–climate conditions in the Terek–Kuma lowland in the Pleistocene, Vestn. MGU, Ser Geogr., 2015, no. 1, pp. 55–70.
5. Bolikhovskaya, N.S., Faustov, S.S., and Markova, A.K., Pleistocene climatic stratigraphy and environments of the Terek–Kuma Lowland (NW Caspian sea region) inferred from palynological, paleomagnetic and rodent records of the long Otkaznoye sediment sequence, Quat. Int., 2016, vol. 409, pp. 16–32. https://doi.org/10.1016/j.quaint.2015.09.067