@book { DasGlckkommtmanchmalunverhofft,
    title = "Das Glück kommt manchmal unverhofft",
    author = "Nora {Darius}",
    year = "2015",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/307538"
}