@book { MedienundPolicy,
    title = "Medien und Policy",
    subtitle = "Neue Machtkonstellationen in ausgewählten Politikfeldern",
    author = "Sigrid {Koch-Baumgarten} and Lutz {Mez}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1102977"
}