@book { RteaufdeutschenReichsversammlungen,
    title = "Räte auf deutschen Reichsversammlungen",
    author = "Bettina {Koch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088392"
}