Viswanathan, P., Boger, J., Hoey, J., & Mihailidis, A. (2007). An Intelligent Powered Wheelchair to Enable Mobility of Cognitively Impaired Older Adults: An Anti-Collision System Presented at the Second International Conference on Technology and Aging conference. Toronto, ON. Retrieved from https://ieeexplore.ieee.org/document/4126540/ (Original work published 2007)