@inproceedings{WahlNiederwieserVollnhoferetal.,
  author    = {Wahl, Harald and Niederwieser, Martin and Vollnhofer, Sonja and Sohal, Shveta and Schwarz, Sebastian and Mense, Alexander},
  title     = {Tools for Annotating Documents in E-Learning: An Evaluation},
  series = {Proceedings of the World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education},
  booktitle = {Proceedings of the World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education},
  pages     = {21 -- 24},
  subject      = {eLearning},
  language  = {en}
}
@misc{WahlDragasevicSperlingMense,
  author    = {Wahl, Harald and Dragasevic-Sperling, Mira and Mense, Alexander},
  title     = {Integrating Multimedia Annotations in E-Learning Applications},
  subject      = {eLearning},
  language  = {en}
}
@misc{WahlMense,
  author    = {Wahl, Harald and Mense, Alexander},
  title     = {Enriching Academic E-Learning By Semantic Annotations and Meta-Data},
  subject      = {Education},
  language  = {en}
}
@inproceedings{KaufmannWahlMenseetal.,
  author    = {Kaufmann, Christian and Wahl, Harald and Mense, Alexander and Sommer, Thomas},
  title     = {The acceptance of eLearning methods of extra occupational and full-time students},
  series = {Proceedings of S-ICT2008 Student Mobility and ICT / Can E-LEARNING overcome barriers of Life-Long learning? / Maastricht University (Netherlands)},
  booktitle = {Proceedings of S-ICT2008 Student Mobility and ICT / Can E-LEARNING overcome barriers of Life-Long learning? / Maastricht University (Netherlands)},
  subject      = {eLearning},
  language  = {en}
}