{"id":"001162561","type":"book","title":"Srednovekovnijat skalen manastir do Varna (Aladža manastir). Das mittelalterliche Felskloster bei der Stadt Varna (Aladža manastir)","pages":"110-140","container-title":"Izvestija na Narodnija Muzej - Varna, 26 (1990","author":[{"family":"Atanasov","given":"Georgi"}],"issued":{"raw":"1990"}}