G. F. Ufimtsev, “Tectonic relief of Eurasia”, Geog. Fis. Dinam. Quat., vol. 24, no. 1, pp. 85–98, Jun. 2001, Accessed: Oct. 07, 2025. [Online]. Available: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/446