@book { SymbolederMacht,
    title = "Symbole der Macht?",
    author = "Olaf {Wagener}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01893-6",
    url = "https://www.peterlang.com/document/1047384"
}