@book { PolitischeOppositioninChinaseit1989,
    title = "Politische Opposition in China seit 1989",
    author = "Ding {Ding}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089966"
}