@book { MetamorphoseeinEpochenberblick,
    title = "Metamorphose - ein Epochenüberblick",
    author = "Julia {Dietze}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640852048",
    url = "https://www.hausarbeiten.de/document/167227"
}