BAILEY, Geoff B. The Antonine frontier in Callendar Park, Falkirk: its form and structural sequence. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 125, p. 577–600, 1996. DOI: 10.9750/PSAS.125.577.600. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9897. Acesso em: 4 may. 2024.