For citations:
Makshaev R.R., Matlakhova E.Yu., Tkach N.T., Lobacheva D.M., Lysenko I.E., Tkach A.A. The influence of the Early Khvalynian transgression of the Caspian Sea on the structure of the Volga River and its tributaries valleys (Maliy Karaman key site, Saratov Region). Geomorfologiya i Paleogeografiya. 2025;56(1):116-129. (In Russ.) https://doi.org/10.31857/S2949178925010069. EDN: DNXQPH