@book { Todesquelle,
    title = "Todesquelle",
    subtitle = "Kriminalroman - Ein Fall für Stephan Tries 3 | Packende Regio-Spannung im Rheinland",
    author = "Rudolf {Jagusch}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1159183"
}