@book { DieSchweizerDemokratieEndederKonkordanz,
    title = "Die Schweizer Demokratie - Ende der Konkordanz?",
    author = "Frederik {Böckmann}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640529551",
    url = "https://www.hausarbeiten.de/document/144054"
}