@book { DerEheprozessOttosundIrmgardsvonHammerstein,
    title = "Der Eheprozess Ottos und Irmgards von Hammerstein",
    author = "Andrea {Franz}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638518895",
    url = "https://www.hausarbeiten.de/document/57434"
}