XRF analysis of Viking Age silver ingots. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 122, p. 295–328, 1993. DOI: 10.9750/PSAS.122.295.328. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/9442. Acesso em: 1 oct. 2025.