@book { PeperlMutzenbacher,
    title = "Peperl Mutzenbacher",
    subtitle = "Die Tochter einer Wiener Dirne erzählt",
    author = "Josefine {Mutzenbacher}",
    year = "2015",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://www.venusbooks.de/document/298642"
}