@book { DieSchuldistimmerzweifellos,
    title = "Die Schuld ist immer zweifellos.",
    author = "Andrea {Barth}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832442644",
    url = "https://m.diplom.de/document/219879"
}