PAVLOV, P.Yu. THE ANCIENT PAST OF THE PERM KRAI: THE PALAEOLITHIC AGE. Perm Federal Research Centre Journal, [S. l.], n. 4, p. 22–32, 2014. Disponível em: https://journal.permsc.ru/index.php/pscj/article/view/PSCJ2013n4p2. Acesso em: 10 jun. 2026.