@article{HaferLudwigSchumann2010,
  author    = {J{\"o}rg Hafer and Joachim Ludwig and Marlen Schumann},
  title     = {Fallstudien in medialen R{\"a}umen},
  journal   = {Commentarii informaticae didacticae : (CID)},
  number    = {4},
  pages     = {93 -- 98},
  year      = {2010},
}