@book { ReisezumMittelpunktderErdeInEinfacherSprache,
    title = "Reise zum Mittelpunkt der Erde: In Einfacher Sprache",
    author = "Jules {Verne} and André {Graf}",
    year = "2024",
    publisher = "adlima GmbH",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1489674"
}