1. Abramova, T.A., 1974. Reconstruction of the Paleogeographical Environment of the Quaternary Transgressions and Regressions of the Caspian Sea (On the Data of Paleobotany Investigations). Thesis of the PhD dissertation. Moscow State University, Moscow, pp. 1–24 (in Russian).
2. Climatology;Alisov,1962
3. Radiocarbon age of the Khvalynian Manych passage;Arslanov,2008
4. On the age of the Pleistocene and Holocene deposits of the Caspian Sea (on the data of radiocarbon and uranium-ionium methods);Arslanov;Bulletin of the Quaternary Commission,1978
5. On the age of Khazarian, Khvalynian and new Caspian deposits of the Caspian Sea;Arslanov;Bulletin of the Quaternary Commission,1988