@book { DieFunktionderTrumeimRolandslied,
    title = "Die Funktion der Träume im Rolandslied",
    author = "Svenja {B.}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656013921",
    url = "https://www.hausarbeiten.de/document/179111"
}