ALEKSEEVA, Veronika A.; ANANYEVA, Emma G.; VOSKRESENSKY, Ivan S. Early Pleistocene stage of relief development in the central and eastern parts of Russian Plain. Geografia Fisica e Dinamica Quaternaria, [S. l.], v. 6, p. 7–11, 2003. Disponível em: https://gfdq.glaciologia.it/index.php/GFDQ/article/view/1248.. Acesso em: 22 oct. 2026.