@book { DieEurokrise,
    title = "Die Eurokrise",
    subtitle = "Spieltheoretische Erkenntnisse?",
    author = "Leo {Rosche}",
    year = "2014",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/277625"
}