@article{texttest,
  title={Analyzing the input stream for character-level errors in unconstrained text entry evaluations},
  author={Wobbrock, Jacob O and Myers, Brad A},
  journal={ACM Transactions on Computer-Human Interaction (TOCHI)},
  volume={13},
  number={4},
  pages={458--489},
  year={2006},
  publisher={ACM New York, NY, USA}
}