@book { NeueForschungenzurdeutschenSprachenachderWende,
    title = "Neue Forschungen zur deutschen Sprache nach der Wende",
    author = "Hanna {Biaduń-Grabarek} and Sylwia {Firyn}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06370-7",
    url = "https://www.peterlang.com/document/1049866"
}