@book { BrevisGrammaticaBulgarica,
    title = "Brevis Grammatica Bulgarica",
    subtitle = "Herausgegeben von Kiril Kostov und Klaus Steinke mit einem Nachwort von Sigrun Comati",
    author = "Andreas {Pásztory}",
    year = "2013",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b11975",
    url = "https://www.peterlang.com/document/1056312"
}