@book { Mrchensammlung1InEinfacherSprache,
    title = "Märchensammlung 1: In Einfacher Sprache",
    author = "Hans Christian {Andersen} and André {Graf}",
    year = "2024",
    publisher = "adlima GmbH",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1489681"
}