@InProceedings{envision06-hke,
  author = {Hub, A. and Kombrink, S. and Ertl, T.},
  title  = {{Tactile-Acoustical Navigation Assistant for Real and Virtual Explorations of the Environment}},
  year   = {2006},
  pages  = {48},
  booktitle = {{Proceedings of the 1st Multi-disciplinary Vision Rehabilitation and Research Conference ENVISION 06; September 21-24; Kansas City, MO, USA}}
}