HAGGART, D; ALLEN, J Romilly. Notice of the Discovery of Cup-Marked Stones near Killin, Perthshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 17, p. 144–146, 1883. DOI: 10.9750/PSAS.017.144.146. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6056. Acesso em: 25 nov. 2024.