@book { DieBotschaftdesTerrorismus,
    title = "Die Botschaft des Terrorismus",
    author = "Anna {Leiber}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656579175",
    url = "https://www.hausarbeiten.de/document/266988"
}