@book { WasdiePartikelnbedeuten,
    title = "Was die Partikeln bedeuten",
    subtitle = "Eine kontrastive Analyse Russisch-Deutsch.",
    author = "Lew {Zybatow}",
    year = "1990",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12241",
    url = "https://www.peterlang.com/document/1066767"
}