@article{halle:2009,
  author = {Halle, Axel},
  interhash = {fe06af41cd64741f2d2b0933421774fd},
  intrahash = {c7470120ca0744618f4e5e21977c2d05},
  journal = {Erziehungswissenschaften},
  number = 38,
  pages = {67-68},
  title = {Urheberrecht und Open Access},
  volume = {20.2009},
  year = 2009
}