{"id":"001024772","type":"book","title":"Recent research on the fortifications of the headquarters of the classis Germanica: Cologne-Marienburg (Alteburg)","publisher":"Archaeopress","publisher-place":"Oxford","pages":"913-920","container-title":"Limes 18 : Proceedings of the 18th International Congress of Roman Frontier Studies held in Amman, Jordan (September 2000","author":[{"family":"Hanel","given":"Norbert."}],"issued":{"raw":"2002"}}