@book { DasBndnisderPlaneten,
    title = "Das Bündnis der Planeten",
    author = "Jochen {Blumenthal}",
    year = "2019",
    publisher = "Das Gesetz des Einen-Verlag (Deutschland)",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1372903"
}