{"id":"001200819","type":"book","title":"Hristijanski pametnici ot rannosrednovekovnata krepost do selo Rujno, Dulovsko. Christliche Denkmäler aus der frühmittelalterlichen Burg in der Nähe von Rujno, Region Dulovo","pages":"28-50","container-title":"Dobrudža, 8 (1991","author":[{"family":"Atanasov","given":"Georgi"}],"issued":{"raw":"1991"}}