@Book{BVMC:622743, author = {Iglesia Católica. Papa (0091-0100: Clemente I)}, title = {De constitutionibus apostolicis, B. Clemente Romano auctore, libri viij}, url = {https://www.cervantesvirtual.com/obra/de-constitutionibus-apostolicis-b-clemente-romano-auctore-libri-viij} }