@book { StandardLanguageintheSlavicWorld,
    title = "Standard Language in the Slavic World",
    author = "Peter M. {Hill}",
    year = "1988",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12802",
    url = "https://www.peterlang.com/document/1067181"
}