@book { DerDekabristenaufstand1825unddasRegimevonNikolausI,
    title = "Der Dekabristenaufstand 1825 und das Regime von Nikolaus I.",
    author = "Katja {Schaffrath}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656127987",
    url = "https://www.hausarbeiten.de/document/188943"
}