@book { FrankreichsPolitikinderSonderbundskrise,
    title = "Frankreichs Politik in der Sonderbundskrise",
    author = "Christa {Sutz}",
    year = "1976",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069935"
}