APGAR, Blair. Visualizing the Reform: Examining Modena Cathedral’s Porta dei Principi for Traces of the Gregorian Reform. I quaderni del m.æ.s. - Journal of Mediæ Ætatis Sodalicium, [S. l.], v. 22, n. 1, p. 63–81, 2024. DOI: 10.6092/issn.2533-2325/19498. Disponível em: https://maes.unibo.it/article/view/19498. Acesso em: 15 gen. 2025.