GREENHILL, F A. Notes on Scottish Incised Slabs (III). Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 81, p. 99–113, 1949. DOI: 10.9750/PSAS.081.99.113. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8296. Acesso em: 29 apr. 2024.