@book { MinderheiteninderslawischenWelt,
    title = "Minderheiten in der slawischen Welt",
    author = "Anna {Kretschmer} and Gerhard {Neweklowsky} and Stefan Michael {Newerkla} and Fedor {Poljakov}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15251",
    url = "https://www.peterlang.com/document/1050034"
}