@book { BildungindenneuenBundeslndern,
    title = "Bildung in den neuen Bundesländern",
    author = "Christian {Pannier}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836613729",
    url = "https://m.diplom.de/document/225824"
}