KUBIK, A. Mysterious helmet from Verden and its “link” with Tibetan helmets. Historia i Świat, [S. l.], v. 6, p. 133–139, 2017. DOI: 10.34739/his.2017.06.10. Disponível em: https://czasopisma.uph.edu.pl/historiaswiat/article/view/799. Acesso em: 30 kwi. 2024.