LAMB, R G. The Burri Stacks of Culswick, Shetland, and other paired stack-settlements. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 107, p. 144–154, 1978. DOI: 10.9750/PSAS.107.144.154. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8934. Acesso em: 30 apr. 2024.