{"id":"001032053","type":"book","title":"Befestigungsgräben im Südosten der CUT","publisher-place":"Köln","pages":"16-19","container-title":"Colonia Ulpia Traiana : Grabung, Forschung, Präsentation. 7. Arbeitsbericht","author":[{"family":"Zieling","given":"Norbert"}],"issued":{"raw":"1992"}}