MACINNES, Lesley. Brochs and the Roman occupation of lowland Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 114, p. 235–249, 1985. DOI: 10.9750/PSAS.114.235.249. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9162. Acesso em: 25 apr. 2024.