{"id":"001024767","type":"book","title":"Ditches for defence: towards a study of multiple fort ditches","publisher":"Archaeopress","publisher-place":"Oxford","pages":"883-886","container-title":"Limes 18 : Proceedings of the 18th International Congress of Roman Frontier Studies held in Amman, Jordan (September 2000","author":[{"family":"Breeze","given":"David John."}],"issued":{"raw":"2002"}}