KRYLASOVA, N.B.; PODOSENOVA, Yu.A. Flask-like perforations on the territory of Perm Predural area in Middle Ages. Perm Federal Research Centre Journal, [S. l.], n. 2, p. 49–60, 2018. DOI: 10.7242/1998-2097/2018.2.8. Disponível em: https://journal-dev.icmm.ru/index.php/pscj/article/view/PSCJ2018n2p6. Acesso em: 13 may. 2026.