@book { FlorilegiumSlavicum,
    title = "Florilegium Slavicum",
    subtitle = "Liber ad honorandum Herbert Jelitte",
    author = "Elena {Bogdanova} and Margot {Sobieroj}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086502"
}