@article{WahlMaierhoferTichyetal.,
  author    = {Wahl, Harald and Maierhofer, Andreas and Tichy, Carlos and Kaufmann, Christian and Mense, Alexander},
  title     = {Market Analysis of Parking Information},
  series = {International Journal of Business Strategy},
  journal   = {International Journal of Business Strategy},
  subject      = {Parking},
  language  = {en}
}
@article{MenseSauermannGerbovicsetal.,
  author    = {Mense, Alexander and Sauermann, Stefan and Gerbovics, Ferenc and Frohner, Matthias and Wahl, Harald and Pucher, Robert},
  title     = {Healthy Interoperability: A Standard Based Framework for Integrating Personal Monitoring and Personal Health Device Data into Medical Information Systems},
  series = {The Journal on Information Technology in Healthcare /},
  volume    = {Vol. 7},
  journal   = {The Journal on Information Technology in Healthcare /},
  number    = {4},
  pages     = {214 -- 221},
  subject      = {Healthy Interoperability},
  language  = {en}
}
@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}
}