HEASER, S. Dark ellipsoid beads with opaque glass thread decoration found in Britain. Archeologia Polski, [S. l.], v. 65, p. 116–129, 2020. DOI: 10.23858/APol65.2020.003. Disponível em: https://journals.iaepan.pl/apol/article/view/2429. Acesso em: 25 lis. 2024.