1. Lacey, G., Dawson-Howe, K.M.: The application of robotics to a mobility aid for the elderly blind. Robotics and Autonomous Systems 23(4), 245–252 (1998)
2. Lahav, O., Mioduser, D.: Multi-sensory virtual environment for supporting blind persons acquisition of spatial cognitive mapping, orientation, and mobility skills. In: The Third International Conference on Disability, Virtual Reality and Associated Technologies, Alghero, Sardinia, Italy (2000)
3. Lányi, S., Geiszt, Z., Károlyi, P., Magyar, Á.T.V.: Virtual Reality in Special Needs Early Education. The International Journal of Virtual Reality 5(4), 55–68 (2006)
4. Dowling, J., Maeder, A., Boles, W.: Intelligent image processing constraints for blind Mobility facilitated through artificial vision. In: Lovell, B.C., Campbell, D.A., Fookes, C.B., Maeder, A.J. (eds.) 8th Australian and New Zealand Intelligent Information Systems Conference, December 10-12, Macquarie University, Sydney (2003)
5. Kuhlen, T., Dohle, C.: Virtual reality for physically disabled people. Compuf. Bid. Med. 25(2), 205–211 (1995)