{"id":"001221676","type":"book","title":"Pticite i tjahnoto ziačenie za žitelite na Veliki Preslav (9-10 v.). Les oiseaux et leur importance pour les habitants de Veliki Preslav (9e-10e s.)","pages":"43-48","container-title":"Arheologija (Sofija), 33,3 (1991","author":[{"family":"Boev","given":"Zlatozar"}],"issued":{"raw":"1991"}}