@book { PlatonsPhaidon67b72e,
    title = "Platons Phaidon. 67b-72e",
    author = "Melissa  {Grönebaum}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/268370"
}