@book { KollektiveRechteinderWiedergutmachungvonSystemunrecht,
    title = "Kollektive Rechte in der Wiedergutmachung von Systemunrecht",
    subtitle = "Teil I und Teil II",
    author = "Herbert {Küpper}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1452450"
}