@ARTICLE {
	AUTHOR = "Jaime S{\'a}nchez and Mauricio S{\'a}enz and Jos{\'e} Garrido",
	TITLE ="Usability of a Multimodal Video Game to Improve Navigation Skills for Blind Children",
	JOURNAL = "ACM Transactions on Accessible Computing (ACM TAC)",
	VOLUME = "3",
	NUMBER = "2",
	PAGES = "7-29",
	MONTH = "Nov",
	YEAR = "2010",
	PUBLISHER = "ACM Press",
	ADDRESS = "New York, NY, USA",
	ISSN = "1936-7228"
	}