@book { DerVerwertungswiderspruchinTheorieundPraxis,
    title = "Der Verwertungswiderspruch in Theorie und Praxis",
    author = "Florian {Ufer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093161"
}