DUNS, Professor. On some Stone Implements. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 27, p. 50–57, 1893. DOI: 10.9750/PSAS.027.50.57. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6506. Acesso em: 6 may. 2024.