GŁOSEK, M.; WALENTA, K. The helm of the kettle-hat type discovered at the motte in Leśno, Brusy commune, Bydgoszcz province. Fasciculi Archaeologiae Historicae, [S. l.], v. 10, 1997. Disponível em: https://journals.iaepan.pl/fah/article/view/1315. Acesso em: 25 apr. 2024.