{"id":"001024712","type":"book","title":"The northern, southern and eastern frontiers and the climate c","publisher":"Archaeopress","publisher-place":"Oxford","pages":"67-70","container-title":"Limes 18 : Proceedings of the 18th International Congress of Roman Frontier Studies held in Amman, Jordan (September 2000","author":[{"family":"Vetters","given":"Wolfgang"}],"issued":{"raw":"2002"}}