@book{M{\"u}ller2017,
  author    = {M{\"u}ller, Jens},
  title     = {Pioneers of German Graphic Design},
  publisher = {Callisto},
  address   = {Berlin},
  isbn      = {978-3-9817539-3-6},
  pages     = {400},
  year      = {2017},
  language  = {en}
}
@book{Graebsch2017,
  author    = {Graebsch, Christine},
  title     = {Supervisible},
  publisher = {Howard League for Penal Reform},
  address   = {London},
  isbn      = {978-1-911114-13-0},
  pages     = {5},
  year      = {2017},
  language  = {en}
}
@book{OPUS4-1747,
  title     = {Raw bible},
  editor    = {Doering, Gert and Harmsen, Lars and Schmidt, Michael},
  publisher = {Melville Brand Design},
  address   = {M{\"u}nchen},
  isbn      = {978-3-00-055331-8},
  pages     = {303},
  year      = {2017},
  language  = {en}
}