@book { UntersuchungenzurStratigraphieundChronologiedersdslavischenVolksepik,
    title = "Untersuchungen zur Stratigraphie und Chronologie der südslavischen Volksepik",
    author = "Dagmar {Burkhart}",
    year = "1968",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12174",
    url = "https://www.peterlang.com/document/1066679"
}