@Proceedings{EuroVis06-Ertl,
  author = {Sousa Santos, Beatriz and Ertl, Thomas and  Joy, Ken },
  title  = {{Data Visualization 2006 (Proceedings of  EuroVis 2006)}},
  year   = {2006},
   publisher = {{Eurographics}},
  editor = {Sousa Santos, Beatriz and Ertl, Thomas and  Joy, Ken}
}