A. F. Sanko, “Augustovian Interglacial of Poland according to the study of molluscs fauna”, Журнал Белорусского государственного университета. География. Геология, no. 2, pp. 163–174, Oct. 2017, Accessed: Oct. 07, 2026. [Online]. Available: https://journals.bsu.by/index.php/geography/article/view/992