{"id":"001177429","type":"book","title":"Periodizacija na bronzovata epoha v Severoiztočna Bălgarija. Periodization of the Bronze Age in northeastern Bulgaria","publisher-place":"Sofija","pages":"28-32","container-title":"Helis, 1 (1992","author":[{"family":"Panajotov","given":"Ivan."}],"issued":{"raw":"1992"}}