@book { SymbolonBand18,
    title = "Symbolon - Band 18",
    subtitle = "Jahrbuch der Gesellschaft für wissenschaftliche Symbolforschung- Neue Folge. Band 18-",
    author = "Hermann {Jung}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108963"
}