@misc{HofmannOpitz2017,
  author    = {Kay Hendrik Hofmann and Christian Opitz},
  title     = {Eine Klappe geht noch!},
  url       = {www.zu-daily.de/daily/zuruf/2017/12-11\_opitz-hofmann-eine-klappe-geht-noch.php},
  institution = {Fakult{\"a}t WiSo},
  year      = {2017}
}