@book { DunkleWurzeln,
    title = "Dunkle Wurzeln",
    subtitle = "Mysterythriller",
    author = "Diana {Menschig} and Alexa {Waschkau}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/339726"
}