@ARTICLE
        { BNC03prl,
          AUTHOR = "B. Bustos and G. Navarro and E. Ch{\'a}vez",
	  TITLE = "Pivot Selection Techniques for Proximity Searching in 
		   Metric Spaces",
	  JOURNAL = "Pattern Recognition Letters",
	  VOLUME = 24,
	  NUMBER = 14,
	  PAGES = "2357--2366",
	  YEAR = 2003
	}