NEGIN, A. Roman helmets with a browband shaped as a vertical fronton. Historia i Świat, [S. l.], v. 4, p. 31–46, 2015. DOI: 10.34739/his.2015.04.02. Disponível em: https://czasopisma.uph.edu.pl/historiaswiat/article/view/832. Acesso em: 3 maj. 2024.