ANDERSON, Joseph. Notes on some Polished Stone Discs of Unknown Use in the Museum. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 10, p. 717–719, 1873. DOI: 10.9750/PSAS.010.717.719. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5704. Acesso em: 25 apr. 2024.