References
- Balachandran, W. , Cecelja, F. , & Ptasinski, P. (2003, October 1-3). A GPS based navigation aid for the blind. Paper presented at the 17th International Conference on Applied Electromagnetics and Communications, Dubrovnik. Retrieved August 21, 2009 from ProQuest 5000 database.
- Baldwin, D. 2003. Wayfinding technology: A road map to the future. Journal of Visual Impairment and Blindness, 97, 612-620.
- Bentzen, B. L. 1997. Orientation aids. In B. B. Blasch , W. R. Wiener , & R. L. Welsh (Eds.), Foundations of orientation and mobility (2nd edition) (pp. 284-316). New York: American Foundation for the Blind.
- Farmer, L. , & Smith, D. 1997. Adaptive technology. In B. B. Blasch , W. R. Wiener , & R. L. Welsh (Eds.), Foundations of orientation and mobility (2nd edition) (pp. 231-259). New York: American Foundation for the Blind.
- Helal, A. , Moore, S. E. , & Ramachandran, B. (2001, October 9). Drishti: An integrated navigation system for visually impaired and disabled. Paper presented at the Fifth International Symposium on Wearable Computers, Zurich. Retrieved August 21, 2009 from ProQuest 5000 database.
- Humanware 2005. Trekker 2.7, the wireless generation, now available. Retrieved August 20, 2009 from http://www.humanware.com/en-usa/about_us/press_releases/2005_press_releases/181105_press_release
- Kurson, R. 2007. Crashing through: A true story of risk, adventure and the man who dared to see. New York: Random House.
- Loomis, J. M. , Golledge, R. G. , Klatzky, R. L. , Spiegle, J. M. , & Tietz, J. (1994, October 31-November 1). Personal guidance system for the visually impaired. Paper presented at the First Annual International ACM/SIGGRAPH Conference on Assistive Technologies, Marina Del Rey, CA. Retrieved August 21, 2009 from ProQuest 5000 database.10.1145/191028.191051
- Rathwell, D. 2007. GPS project 2007 Trekker lessons. Retrieved August 20, 2009 from http://www.setbc.org/download/LearningCentre/Vision/trekker_guide_2007.pdf
- Stopher, P. R. 2004. GPS, location and household travel. In D. A. Hensher , K. J. Button , K. E. Haynes , & P. R. Stopher (Eds.), Handbook of transport geography and spatial systems (pp. 433-449). Amsterdam: Elsevier.10.1108/9781615832538-024