For citations:

Kurbanov R.N., Belyaev V.R., Svistunov M.I., Butuzova E.A., Solodovnikov D.A., Taratunina N.A., Yanina T.A. New Data on the Age of the Early Khvalynian Transgression of the Caspian Sea. Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya. 2023;87(3):403–419. (In Russ.) https://doi.org/10.31857/S2587556623030081. EDN: QSLXBQ