@book { ImdeutschpolnischenSpiegel,
    title = "Im deutsch-polnischen Spiegel",
    subtitle = "Sprachliche Nachbarschaftsbilder",
    author = "Edyta {Grotek} and Anna {Just}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108116"
}