@book { Freiheitdiewirmeinen,
    title = "Freiheit die wir meinen",
    author = "Lothar {Geisler}",
    year = "2022",
    publisher = "Neue Impulse Verlag",
    address = "Essen, Deutschland",
    url = "https://neueimpulseverlag.openpublishing.com/document/1283190"
}