{"id":"000719903","type":"book","title":"Die Kernländer des ʿAbbāsidenreiches im 10. Jahrhundert n.Chr., 1:3,000,000 = The central regions of the Abbasid Empire in the 10th century","publisher":"Reichert","publisher-place":"Ludwig Wiesbaden","author":[{"family":"Gaube","given":"Heinz"}],"issued":{"raw":"1988"}}