@book { DiefrheDiagnosedesNationalsozialismus,
    title = "Die frühe Diagnose des Nationalsozialismus",
    author = "Martin {Kugler}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1115158"
}