@ARTICLE {
	AUTHOR = "Orlando Erazo and Jos{\'e} A. Pino",
	TITLE ="Estimating the Difficulty of Touchless Hand Gestures",
	JOURNAL = "IEEE Latin America",
	VOLUME = "12",
	NUMBER = "1",
	PAGES = "17-22",
	MONTH = "Jan",
	YEAR = "2014",
	PUBLISHER = "IEEE Press",
	ADDRESS = "Piscataway, NJ, USA",
	}