@article{WahlWiniwarterQuirchmayr,
  author    = {Wahl, Harald and Winiwarter, Werner and Quirchmayr, Gerald},
  title     = {Towards an intelligent integrated language learning environment},
  series = {International Journal of Pervasive Computing and Communications},
  volume    = {2011},
  journal   = {International Journal of Pervasive Computing and Communications},
  number    = {Vol. 7 / No 3},
  pages     = {220 -- 239},
  subject      = {Language learning},
  language  = {en}
}
@inproceedings{WahlHolwegMenseetal.,
  author    = {Wahl, Harald and Holweg, Gerd and Mense, Alexander and Kaufmann, Christian},
  title     = {Meeting the Problem of Heterogeneous IT Knowledge of Students in the Interdisciplinary Course Program Intelligent Transport Systems},
  series = {Proceedings of the ICETI 2011, International Conference on Education, Training and Informatics,Orlando, Florida, USA},
  booktitle = {Proceedings of the ICETI 2011, International Conference on Education, Training and Informatics,Orlando, Florida, USA},
  isbn      = {978-1-936338-18-4},
  pages     = {262 -- 266},
  subject      = {Teaching},
  language  = {en}
}