@book { DieBedeutungderWalpurgisnachtinGoethesFaustIundII,
    title = "Die Bedeutung der Walpurgisnacht in Goethes Faust I und II",
    author = "Inga {Hemmerling}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638635912",
    url = "https://www.hausarbeiten.de/document/73412"
}