@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
}

@article{Halle:2005,
  author = {Halle, Axel and Sepp, Wolf-Dieter},
  interhash = {097eff57c2fb9010117e866f1733a358},
  intrahash = {ca8132943990f70d4df719ee19b50ceb},
  journal = {publik. Kasseler Hochschulzeitung},
  number = 5,
  pages = 3,
  title = {Wissenschaft braucht Informationsfreiheit},
  url = {https://kobra.bibliothek.uni-kassel.de/handle/urn:nbn:de:hebis:34-20050712200},
  volume = 28,
  year = 2005
}