@book { InDemutDeineBeatrice,
    title = "In Demut, Deine Beatrice",
    subtitle = "Ein SM-Roman",
    author = "Valentina {Santos}",
    year = "2016",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://www.venusbooks.de/document/321896"
}