DOCKRILL, Steven J; OUTRAM, Z; BATT, C M. Time and place: a new chronology for the origin of the broch based on the scientific dating programme at the Old Scatness Broch, Shetland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 136, p. 89–110, 2007. DOI: 10.9750/PSAS.136.89.110. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9677. Acesso em: 18 may. 2024.