@book { SpurenausEis,
    title = "Spuren aus Eis",
    subtitle = "Thriller - Lea Winter ermittelt 1",
    author = "Claudia {Praxmayer}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/317526"
}