@conference {YUAN04,
	title = {A Tool for Range Sensing and Environment Discovery for the Blind},
	booktitle = {Proceedings of the IEEE Workshop on Real{\textendash}Time 3D Sensor and Their Use},
	year = {2004},
	address = {Washington, DC},
	keywords = {laser cane},
	url = {http://users.soe.ucsc.edu/~manduchi/papers/DanPaperV3.pdf},
	author = {Yuan,D. and Roberto Manduchi}
}
