@book { FairchildDieRegencySchwestern,
    title = "Fairchild - Die Regency-Schwestern",
    author = "Julia {London} and Theda {Krohm-Linke}",
    year = "2022",
    publisher = "venusbooks",
    address = "München, Deutschland",
    url = "https://m.venusbooks.de/document/1215504"
}