ANDERSON, Kathleen. A note on possible astronomic noon markers at Arbroath Abbey, Angus. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 136, p. 333–335, 2007. DOI: 10.9750/PSAS.136.333.335. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9688. Acesso em: 26 apr. 2024.