@book { DerschwarzeSpiegel,
    title = "Der schwarze Spiegel",
    subtitle = "Horror-Thriller. Meister des Grauens - Band 10",
    author = "Peter {Dubina}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955204822",
    url = "https://www.dotbooks.de/document/265577"
}