@book { GesprocheneSprachePartikeln,
    title = "Gesprochene Sprache – Partikeln",
    author = "Eva-Maria {Thüne} and Franca {Ortu}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103731"
}