{"id":"000985977","type":"book","title":"Crisis years? The 12th century B","publisher":"Kendall/Hunt Publishing Company","publisher-place":"Dubuque, Iowa","pages":"31-39","container-title":"The crisis years: the 12th century B : C. From beyond the Danube to the Tigris","author":[{"family":"Wells","given":"Peter S."}],"issued":{"raw":"1992"}}