@book { MotiveausLudwigTiecksFortunatinRichardWagnersDerRingderNibelungen,
    title = "Motive aus Ludwig Tiecks Fortunat in Richard Wagners Der Ring der Nibelungen",
    author = "Christian {Gaier}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832407506",
    url = "https://m.diplom.de/document/216658"
}