@book { SpurindieDunkelheit,
    title = "Spur in die Dunkelheit",
    author = "Tilmann {Schott}",
    year = "2017",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783943835090",
    url = "https://m.dotbooks.de/document/195996"
}