@inproceedings{pfeuffer2021,
  author	= {Pfeuffer, Ken and Alexander, Jason and Gellersen, Hans},
  title		= {Multi-User Gaze-Based Interaction Techniques on Collaborative Touchscreens},
  booktitle	= {ACM Symposium on Eye Tracking Research and Applications},
  year		= {2021},
  series	= {ETRA '21 Short Papers},
  address	= {New York, NY, USA},
  publisher	= {Association for Computing Machinery},
}