@book { EntwicklungeninslavischenSprachen1,
    title = "Entwicklungen in slavischen Sprachen 1",
    author = "Volkmar {Lehmann} and Anja {Anstatt}",
    year = "1999",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12520",
    url = "https://www.peterlang.com/document/1066983"
}