@book { DasUngewisseIch,
    title = "Das Ungewisse & Ich",
    author = "Sabrina {Piendl}",
    year = "2023",
    publisher = "Papierfresserchens MTM-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1333678"
}