@Article{Hoey512007,
	author={Pooja  Viswanathan and Jennifer N. Boger and Jesse  Hoey and Pantelis  Elinas and Alex  Mihailidis},
	title={The Future of Wheelchairs: Intelligent Collision Avoidance and Navigation Assistance},
	journal={Geriatrics and Aging},
	volume={10},
	number={4},
	year={2007}
}