@book { DieKapitalakkumulationinBulgarieninBezugaufdieEUEntwicklung, title = "Die Kapitalakkumulation in Bulgarien in Bezug auf die EU-Entwicklung", author = "Denitsa {Kalcheva}", year = "2009", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836632256", url = "https://m.diplom.de/document/227003" }