@inproceedings{2003-fisheye-interest-estimation,
  title = {Efficient User Interest Estimation in Fisheye Views},
  author = {Jeffrey Heer AND Stuart K. Card},
  booktitle = {ACM Human Factors in Computing Systems (CHI)},
  year = {2003},
  pages = {836--837},
  url = {http://vis.stanford.edu/papers/fisheye-interest-estimation}
}