DUNS, Professor. Notes on two Stone Hammers exhibited to the Meeting. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 13, p. 334–336, 1879. DOI: 10.9750/PSAS.013.334.336. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5885. Acesso em: 22 jul. 2024.