STEVENSON, Robert B K. A Shell-Heap at Polmonthill, Falkirk. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 80, p. 135–139, 1948. DOI: 10.9750/PSAS.080.135.139. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8256. Acesso em: 20 apr. 2024.