@misc{TrautmannFrank2016,
  author    = {Felix Trautmann and Dirk Frank},
  title     = {Das R{\"a}tsel der freiwilligen Knechtschaft},
  booktitle = {UniReport / Goethe-Universit{\"a}t Frankfurt},
  volume    = {49},
  number    = {6},
  institution = {Pr{\"a}sidium},
  type      = {contributiontoperiodical},
  pages     = {7 -- 7},
  year        = {2016},
}