@book { DieKlassengesellschaftimSchmelztiegel,
    title = "Die Klassengesellschaft im Schmelztiegel",
    author = "Klaus {Rodax}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101880"
}