CUMBO, C.; CUMBO, F. GMS – Gammadiae Management System: cataloguing and interpretation project of the socalled gammadiae starting from the iconographic evidences in the Roman catacombs. Conservar Património, [S. l.], v. 31, p. 145–154, 2019. DOI: 10.14568/cp2018015. Disponível em: https://conservarpatrimonio.pt/article/view/22044. Acesso em: 14 jul. 2024.