@inproceedings{Richter2011,
  author    = {Thomas Richter},
  title     = {Identifying E-Learning Resources for Reuse},
  series = {Paulsen, Sz{\"u}cs (Eds.): Learning and Sustainability – The New Ecosystem of Innovation and Knowledge. Proceedings of the 20th EDEN 2011 Annual Conference, Dublin, Ireland, 19-22 June 2011},
  publisher = {Curran Associates},
  address   = {Red Hook, NY},
  pages     = {163 -- 171},
  year      = {2011},
  language  = {en}
}