THE WALTZ OF CULTURAL LAYERS, THROUGH WHICH THE RUSSIAN BIRCH SPROUTED. PERM UNIVERSITY HERALD. History, [S. l.], v. 64, n. 1, p. 162–172, 2024. Disponível em: https://press.psu.ru/index.php/history/article/view/8974. Acesso em: 7 nov. 2026.