@book { DasunverhoffteWeihnachtswunder,
    title = "Das unverhoffte Weihnachtswunder",
    subtitle = "Eine Geschichte",
    author = "Tanja {Kinkel}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1403257"
}