Lecture Summaries. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 122, p. 509–513, 1993. DOI: 10.9750/PSAS.122.509.513. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9451. Acesso em: 5 dec. 2025.