{"id":"001177769","type":"book","title":"Trakijska probnica pri grad Varbica, Varnenska oblast. Eine thrakische Gruft bei Varbitza im Gebiet Varna","pages":"23-29","container-title":"Godišnik na Muzeite ot Severna Bălgarija, 16 (1990","author":[{"family":"Atanasov","given":"Georgi"}],"issued":{"raw":"1990"}}