{"id":"000431483","type":"article","title":"Porphyrrotae am Decumanus der Colonia Claudia Ara Agrippinensium und in den Kölner Bischofskirchen des 4. und 9. Jahrhunderts","pages":"109-132","container-title":"Kölner Domblatt, 40.1975","author":[{"family":"Bracker","given":"J."}],"issued":{"raw":"1975"}}