{"id":"000405404","type":"article","title":"XXVe Symposium international d'archéométrie. (Bulg.) -","pages":"47-49","container-title":"Archeologija. Organ na Archeologičeskija institut i muzej pri Bălgarskata akademija na naukite, 29,2.1987","author":[{"family":"Petkov","given":"A."}],"issued":{"raw":"1987"}}