@conference {308,
	title = {Watch Your Head: A Wearable Collision Warning Sensor System for the Blind},
	booktitle = {IEEE Sensors 2010 Conference},
	year = {2010},
	url = {http://users.soe.ucsc.edu/~manduchi/papers/sensors2010.pdf},
	author = {Jameson, Brant and Roberto Manduchi}
}
