@book { DieToteamFluss,
    title = "Die Tote am Fluss",
    subtitle = "Historischer Kriminalroman",
    author = "Heidi {Rehn}",
    year = "2018",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/433796"
}