@book { LiebeistwieBrausepulver,
    title = "Liebe ist wie Brausepulver",
    subtitle = "Fünf romantische Romane in einem eBook",
    author = "Isabelle {Wallon}",
    year = "2019",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/477195"
}