@book { Epitomepraeceptorumrhetoricorum,
    title = "Epitome praeceptorum rhetoricorum",
    author = "Olexa {Horbatsch}",
    year = "1992",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12173",
    url = "https://www.peterlang.com/document/1066722"
}