@book { DeepandSuperficialCasesinRussian,
    title = "Deep and Superficial Cases in Russian",
    author = "David A. {Kilby}",
    year = "1977",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12915",
    url = "https://www.peterlang.com/document/1067270"
}