@inproceedings {ltt02,
  author = "Alice Oh and Harold Fox and Max Van Kleek and Aaron Adler and Krzysztof Gajos and Louis-Philippe Morency and Trevor Darrell",
  title = "Evaluating {Look-to-Talk}: A Gaze-Aware Interface in a Collaborative Environment", 
  booktitle = "Proceedings of CHI 2002",
  address = "Minneapolis, MN",
  year = "2002",
  month = "April",
  url = "http://www.ai.mit.edu/people/cadlerun/docs/chi2002.pdf",
}