@book { GraphemicsandMorphosyntaxintheCelyLetters147288,
    title = "Graphemics and Morphosyntax in the «Cely Letters» (1472–88)",
    author = "Hanna {Rutkowska}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096129"
}