@book { BibliographiezurslawischenSprachwissenschaft,
    title = "Bibliographie zur slawischen Sprachwissenschaft",
    author = "Erwin {Koschmieder} and Helmut {Schaller}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094866"
}