{"id":"000419142","type":"article","title":"IIIe Séminaire international de pétroarchéologie à Plovdiv. (Bulg.) -","pages":"67-69","container-title":"Archeologija. Organ na Archeologičeskija institut i muzej pri Bălgarskata akademija na naukite, 27,1.1985","issued":{"raw":"1985"}}