{"id":"001024706","type":"book","title":"The onset of crisis: the reign of the emperor Severus Alexander (AD 222-235)","publisher":"Archaeopress","publisher-place":"Oxford","pages":"13-17","container-title":"Limes 18 : Proceedings of the 18th International Congress of Roman Frontier Studies held in Amman, Jordan (September 2000","author":[{"family":"Blois","given":"Lukas de."}],"issued":{"raw":"2002"}}