@book { SprechsprachlicheKommunikation,
    title = "Sprechsprachliche Kommunikation",
    author = "Lutz Christian {Anders} and Ursula {Hirschfeld}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095439"
}