@book { DieknstlicheHlle,
    title = "Die künstliche Hölle",
    subtitle = "Dichtung vom Bösen",
    author = "Sylvia {Schaefer}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842821927",
    url = "https://m.diplom.de/document/228312"
}