{"id":"000323903","type":"book","title":"Demografska i socialna struktura na drevna Trakija. (Bulg.m.engl.Res.) Demographic and social structure of ancient Thrace, I millennium B.C","publisher":"[s.n.]","publisher-place":"Sofia","author":[{"family":"Fol","given":"A."}],"issued":{"raw":"1970"}}