@InProceedings{SCI:Duc2012a,
  author =    "A. Duchowski and M. Price and M.D. Meyer and P.
              Orero",
  title =     "Aggregate Gaze Visualization with Real-Time
              Heatmaps",
  booktitle = "Proceedings of the ACM Symposium on Eye Tracking
              Research and Applications ({ETRA})",
  pages =     "13--20",
  year =      "2012",
  doi =       "10.1145/2168556.2168558",
  url =       "http://www.sci.utah.edu/publications/duchowski12/Duchowski_gaze-vis2012.pdf",
}