@book { GrimmSohnDasHornveilchenIndiz,
    title = "Grimm & Sohn - Das Hornveilchen-Indiz",
    author = "Erwin {Kohl}",
    year = "2024",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1308854"
}