@book { SehnsuchtundSymbolikbeiEichendorff,
    title = "Sehnsucht und Symbolik bei Eichendorff",
    author = "Viktoria {Groepper}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640913602",
    url = "https://www.hausarbeiten.de/document/171747"
}