STEVENSON, Robert B K. Notes: (6) ’Lop-sided’ Arrow-heads. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 81, p. 179–182, 1949. DOI: 10.9750/PSAS.081.179.182. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8282. Acesso em: 24 apr. 2024.