WILSON, George. Note on Lignite Beads found in an Urn near Stranraer, in 1859-60. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 625, 1877. DOI: 10.9750/PSAS.012.625. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5846. Acesso em: 20 apr. 2024.