@book { TheRoleofScienceFiction,
    title = "The Role of Science Fiction",
    subtitle = "Asimov & Vonnegut - A Comparison",
    author = "Stefan {Weißhampel}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836610063",
    url = "https://m.diplom.de/document/229100"
}