MACMILLAN, Hugh. Notice of Cup-Marked Stones near Aberfeldy. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 18, p. 109–128, 1884. DOI: 10.9750/PSAS.018.109.128. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6097. Acesso em: 26 apr. 2024.