{"id":"000493031","type":"article","title":"La forteresse Belgrad près de Prèslav. (Bulg.m.franz.Res.) -","pages":"19-41","container-title":"Izvestija na Arheologičeskija institut. Bulletin de l'Institut d'archéologie, 27.1964","author":[{"family":"Djingov","given":"G."}],"issued":{"raw":"1964"}}