@book { VerborgeneBltenSpareEditionBand3,
    title = "Verborgene Blüten -  Séparée-Edition: Band 3",
    author = "Susanna {Calaverno}",
    year = "2015",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/299775"
}