{"id":"001504241","type":"book","title":"Prechodnijat period ot kamenno-mednata kăm bronzovata epocha po materiali ot centralna severna bălgarija","publisher":"Faber","publisher-place":"V. Tărnovo","author":[{"family":"Ilčeva","given":"Vălka."}],"issued":{"raw":"2009"}}