@book { AlleingegenAlle,
    title = "Allein gegen Alle?",
    subtitle = "Über Nordkoreas Stellung in der gegenwärtigen internationalen Politik",
    author = "Stefan {Hohefeld}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/227709"
}