@book { sterreichischesDeutschanpolnischenHochschulen,
    title = "Österreichisches Deutsch an polnischen Hochschulen",
    author = "Margit {Eberharter-Aksu} and Hanna {Biaduń-Grabarek} and Reinhold {Utri}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18353",
    url = "https://www.peterlang.com/document/1063334"
}