@book { VolkskulturimWienerVormrz,
    title = "Volkskultur im Wiener Vormärz",
    subtitle = "Das andere Wien zur Biedermeierzeit",
    author = "Wolfgang {Greif}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1087800"
}