STUART, John; KELLER, Ferdinand. On some of the Vitrified Forts of Scotland, with Reference to Descriptions of similar Remains in Bohemia. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 8, p. 145–164, 1869. DOI: 10.9750/PSAS.008.145.164. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5411. Acesso em: 21 may. 2024.