@misc{Koehler2004,
  author    = {K{\"o}hler, Thomas},
  title     = {Konrad, U., Management virtueller Teams : von der Telearbeit zum virtuellen Unternehmen; Weinheim, Belz, 2002},
  year      = {2004},
  language  = {de}
}
@misc{Koehler2004,
  author    = {K{\"o}hler, Thomas},
  title     = {Mangold, R., Lehrbuch Medienpsychologie ; G{\"o}ttingen, Hofgrefe, 2004},
  year      = {2004},
  language  = {de}
}
@misc{KoehlerBoerner2004,
  author    = {K{\"o}hler, Thomas and B{\"o}rner, Claudia},
  title     = {Medienkompetenz am Gymnasium entwickeln},
  year      = {2004},
  language  = {de}
}