{"id":"001024705","type":"book","title":"Fifty years of Roman frontier studies","publisher":"Archaeopress","publisher-place":"Oxford","pages":"1-11","container-title":"Limes 18 : Proceedings of the 18th International Congress of Roman Frontier Studies held in Amman, Jordan (September 2000","author":[{"family":"Birley","given":"A. R."}],"issued":{"raw":"2002"}}