@book { schildesambetumbengrl,
    title = "«schildes ambet umben grâl»",
    subtitle = "Untersuchungen zur Figurenkonzeption, zur Schuldproblematik und zur politischen Intention in Wolfram von Eschenbachs «Parzival»",
    author = "Joachim {Schröder}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1098036"
}