@book { DasGeheimnisderPerlenohrringe,
    title = "Das Geheimnis der Perlenohrringe",
    author = "Tomos {Forrest} and Marten {Munsonius}",
    year = "2023",
    publisher = "Bärenklau Exklusiv",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1352506"
}