@book { HerrFiedlerermittelt3cosycrimeFlle,
    title = "Herr Fiedler ermittelt - 3 cosy crime Fälle",
    author = "Pippa {Jansen}",
    year = "2024",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1482810"
}