FERGUSON, William. Notes on Some Collections of Flint Implements from Buchan, Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 10, p. 507–518, 1873. DOI: 10.9750/PSAS.010.507.518. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5689. Acesso em: 25 apr. 2024.