@book { Leidensollstdu,
    title = "Leiden sollst du",
    author = "Laura {Wulff}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955201104",
    url = "https://m.dotbooks.de/document/208012"
}