@ARTICLE {
	AUTHOR = "Jose Saavedra and Benjamin Bustos",
	TITLE ="Sketch-based Image Retrieval using Keyshapes",
	JOURNAL = "Multimedia Tools and Applications (MTAP)",
	VOLUME = "73",
	NUMBER = "3",
	PAGES = "2033-2062",
	MONTH = "Dec",
	YEAR = "2014",
	PUBLISHER = "Springer",
	ADDRESS = "New York, NY, USA",
	ISSN = "1380-7501"
	}