KOVÁCS, István. When Was Byzantine Emperor Manuel I Komnenos Born?. Acta Classica Universitatis Scientiarum Debreceniensis, [S. l.], v. 60, p. 147–155., 2025. DOI: 10.22315/ACD/2024/12. Disponível em: https://ojs.lib.unideb.hu/classica/article/view/13640. Acesso em: 4 jan. 2026.