@article{tog2009sg,
  title = {Subtle Gaze Direction},
  author = {Reynold Bailey and Ann McNamara and Nisha Sudarsanam and Cindy Grimm},
  journal = {Transactions on Graphics},
  editor = {4},
  volume = {28},
  number = {3},
  pages = {1-14},
  publisher = {ACM},
  note = {Originally appeared as a sketch in siggraph 2007},
  month = {August},
  year = {2009}
}