@book { PeanutsfrdieUNO,
    title = "Peanuts für die UNO",
    subtitle = "Das deutsche Finanzengagement seit 1960",
    author = "Klaus {Hüfner}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1104648"
}