CARVER, Martin; SPALL, Cecily. Excavating a parchmenerie : archaeological correlates of making parchment at the Pictish monastery at Portmahomack, Easter Ross. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 134, p. 183–200, 2005. DOI: 10.9750/PSAS.134.183.200. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9605. Acesso em: 16 apr. 2024.