@book { Moderholz,
    title = "Moderholz",
    subtitle = "Ein Garten-Krimi aus Frankfurt am Main",
    author = "Berndt {Schulz}",
    year = "2017",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/358462"
}