@book { DieErdederZukunft,
    title = "Die Erde der Zukunft",
    author = "Martina {Meier}",
    year = "2022",
    publisher = "Papierfresserchens MTM-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1310084"
}