@book { Sivispacemparapacem,
    title = "«Si vis pacem, para pacem?»",
    subtitle = "Friede durch internationale Organisation als Option für das 21. Jahrhundert",
    author = "Michael {Köhler} and David {Hössl}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1104777"
}