@book { DieMalerinvonFontainebleau,
    title = "Die Malerin von Fontainebleau",
    subtitle = "Roman",
    author = "Constanze {Wilken}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Germany",
    url = "https://www.dotbooks.de/document/1064624"
}