MCCALLIEN, W J. Late-glacial and early post-glacial Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 71, p. 174–206, 1937. DOI: 10.9750/PSAS.071.174.206. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8044. Acesso em: 19 may. 2024.