@article{FCNPjea09,
  Author = {K.~Figueroa and E.~Ch{\'a}vez and G.{}~Navarro and R.~Paredes},
  Journal = {ACM Journal of Experimental Algorithmics (JEA)},
  Note  = {21 pages, doi: http://doi.acm.org/10.1145/1498698.1564506},
  Pages = {article 3.6},
  Publisher = {ACM},
  Title = {Speeding up Spatial Approximation Search in Metric Spaces},
  Volume = {14},
  Year = {2009},
  address = {New York, NY, USA},
  doi = {http://doi.acm.org/10.1145/1498698.1564506}}