GREENHILL, F A. Notes on Scottish incised slabs. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 78, p. 80–91, 1944. DOI: 10.9750/PSAS.078.80.91. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8210. Acesso em: 19 apr. 2024.