@book { LaDmocratiedirecteenFranceetenAllemagne,
    title = "La Démocratie directe en France et en Allemagne",
    author = "Konrad {Rupp}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656342694",
    url = "https://www.hausarbeiten.de/document/207175"
}