{"id":"000405465","type":"article","title":"The Second International Conference \"The Protobulgarians in Eastern and Central Europe in the 6th-10th centuries\". Shumen, 1986. (Russ.) -","pages":"300-304","container-title":"Sovetskaja archeologija, 1988,2.1988","author":[{"family":"Flerov","given":"V.S."}],"issued":{"raw":"1988"}}