@book { Pervenci,
    title = "«Pervenci»",
    subtitle = "Untersuchungen zur Sprache der frühen Lyrik von Petar Preradovic",
    author = "Dieter {Janus}",
    year = "1981",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072339"
}