@book { DasGeheimnisderNonneDritterRomanBlutzauber,
    title = "Das Geheimnis der Nonne - Dritter Roman: Blutzauber",
    author = "Petra E. {Jörns}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/317468"
}