Lecture summaries. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 116, p. 583–592, 1987. DOI: 10.9750/PSAS.116.583.592. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9288. Acesso em: 8 dec. 2025.