{"id":"002044748","type":"book","title":"Naučni učreždenija v Bŭlgarija 1966","publisher":"Bulg. Akad. na Naukite","publisher-place":"Sofija","author":[{"family":"Vălčev","given":"Veselin"},{"family":"Dimčeva-Virčeva","given":"Dimka"}],"issued":{"raw":"1967"}}