@ARTICLE {
        CGNTis15,
	AUTHOR = "E. Ch{\'a}vez and M. Graff and G. Navarro and 
		  E. S. T{\'e}llez",
	TITLE = "Near Neighbor Searching with $K$ Nearest References",
        JOURNAL = {Information Systems},
        YEAR = 2015,
	VOLUME = 51,
	PAGES = "43--61"
        }