@book { HhenfluchAbsturzeinesManagers,
    title = "Höhenfluch – Absturz eines Managers",
    author = "Fred {Breinersdorfer}",
    year = "2023",
    publisher = "Bärenklau Exklusiv",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1342109"
}