@book { FremdheitinderGemeinsamkeit,
    title = "Fremdheit in der Gemeinsamkeit?",
    author = "Beate {Keller}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832423261",
    url = "https://m.diplom.de/document/218141"
}