@book { DersanfteSchlafdesTodesImVisiereinesSerienkillers,
    title = "Der sanfte Schlaf des Todes: Im Visier eines Serienkillers",
    author = "Margaret {Murphy} and Christine {Frauendorf-Moessel}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/988681"
}