@book { StaatundReichbeiErnstRudolfHuber,
    title = "Staat und Reich bei Ernst Rudolf Huber",
    author = "Martin {Jürgens}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099253"
}