@book { HochbegabungFluchoderSegen,
    title = "Hochbegabung. Fluch oder Segen?",
    author = "Franzi {Rettner}",
    year = "2016",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/350523"
}