@book { GefesseltTabuloseSpiele,
    title = "Gefesselt – Tabulose Spiele",
    subtitle = "Erotischer Roman",
    author = "Mara {von Steinen}",
    year = "2020",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://www.venusbooks.de/document/541894"
}