DOLLEY, Michael. A Viking-age coin of Norway discovered in Shetland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 100, p. 193–195, 1969. DOI: 10.9750/PSAS.100.193.195. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8737. Acesso em: 27 apr. 2024.