@book { DasInternationaleSystemseit1994EUNATO,
    title = "Das Internationale System seit 1994 (EU / NATO)",
    author = "Thomas {Reith}",
    year = "2002",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638108553",
    url = "https://www.hausarbeiten.de/document/1379"
}