@book { DasgroeGlckdieserErde,
    title = "Das große Glück dieser Erde",
    subtitle = "Roman",
    author = "Dagmar {Clemens}",
    year = "2014",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/277514"
}