@conference {Coughlan07b,
	title = {Functional Assessment of a Camera Phone-Based Wayfinding System Operated by Blind Users},
	booktitle = {Proceedings of the IEEE-BAIS Symposium on Research on Assistive Technology (RAT{\textquoteright}07)},
	year = {2007},
	address = {Dayton, OH},
	keywords = {Blind wayfinding},
	url = {http://users.soe.ucsc.edu/~manduchi/papers/paperV4afterJames.pdf},
	author = {Coughlan, J. and Roberto Manduchi}
}
