GREENHILL, F A. Notes on Scottish Incised Slabs (II). Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 80, p. 43–61, 1948. DOI: 10.9750/PSAS.080.43.61. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8248. Acesso em: 26 apr. 2024.