@book { RegencySecrets,
    title = "Regency Secrets",
    author = "Constance {Hall} and Joachim {Honnef} and Bettina {Albrod} and Britta {Evert}",
    year = "2022",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/1305656"
}