@book { PolitikundPropaganda,
    title = "Politik und Propaganda",
    subtitle = "Der Siebenjährige Krieg in den zeitgenössischen Flugschriften",
    author = "Manfred {Schort}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100927"
}