@book { Rassismus,
    title = "Rassismus",
    subtitle = "Ursprung – Funktion – Bekämpfung",
    author = "Heidi {Beutin} and Wolfgang {Beutin} and Ulrich {Praefke}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04305-1",
    url = "https://www.peterlang.com/document/1048055"
}