@book { EineRuberpistole,
    title = "Eine Räuberpistole",
    subtitle = "Roman",
    author = "Kjell {Johansson} and Susanne {Dahmann}",
    year = "2018",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/387141"
}