@book { Krafttiere,
    title = "Krafttiere",
    subtitle = "Wie sie stärken, schützen, heilen",
    author = "Gerhard {Buzzi}",
    year = "2016",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/322482"
}