@book { HartmannvonAueIwein,
    title = "Hartmann von Aue: Iwein",
    author = "Tobias {Rösch}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640105960",
    url = "https://www.hausarbeiten.de/document/94330"
}