@book { PublicDiplomacyimWesten,
    title = "Public Diplomacy im Westen",
    author = "Thomas {Brünner}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00874-6",
    url = "https://www.peterlang.com/document/1045658"
}