@book { HaidersWelt,
    title = "Haiders Welt",
    subtitle = "Rhetorische Hermeneutik",
    author = "Peter {Zoltan}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832447403",
    url = "https://m.diplom.de/document/220339"
}