@book { DasAttentataufLudwigdenFrommen,
    title = "Das Attentat auf Ludwig den Frommen?!",
    author = "Juliane {Berger}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656092858",
    url = "https://www.hausarbeiten.de/document/184514"
}