{"id":"001190380","type":"book","title":"Prabălgari v Bregalniško (Makedonija). Protobulgaren im Gebiet von Bregalnica (Mazedonien)","pages":"5-10","container-title":"Izvestija na Narodnija Muzej - Varna, 27 (1991","author":[{"family":"Beševliev","given":"Veselin."}],"issued":{"raw":"1991"}}