@book { DieSchwesterdesKetzers,
    title = "Die Schwester des Ketzers",
    author = "Uschi {Pfaffeneder} and Klaus {Pfaffeneder}",
    year = "2022",
    publisher = "Liccaratur-Verlag",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1298671"
}