{"id":"001013473","type":"book","title":"Hesse, Elbe, Saale and the frontiers of the Carolingian empire","publisher":"Brill","publisher-place":"Leiden/Boston/Köln","pages":"219-232","container-title":"The transformation of frontiers : From Late Antiquity to the Carolingians","author":[{"family":"Hardt","given":"Matthias."}],"issued":{"raw":"2001"}}