@book { DasEchovergangenerSommertage,
    title = "Das Echo vergangener Sommertage",
    subtitle = "Roman",
    author = "Juliette {Mead} and Christoph {Göhler}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Germany",
    url = "https://www.dotbooks.de/document/1010756"
}