Gaze and head pointing for hands-free text entry: applicability to ultra-small virtual keyboards

@inproceedings{Gizatdinova2018GazeAH,
  title={Gaze and head pointing for hands-free text entry: applicability to ultra-small virtual keyboards},
  author={Yulia Gizatdinova and Oleg Spakov and Outi Tuisku and Matthew Turk and Veikko Surakka},
  booktitle={ETRA},
  year={2018}
}