@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},
  url={https://depts.washington.edu/acelab/proj/texttest/},
}
@incollection{nasatlx,
  title={Development of NASA-TLX (Task Load Index): Results of empirical and theoretical research},
  author={Hart, Sandra G and Staveland, Lowell E},
  booktitle={Advances in psychology},
  volume={52},
  pages={139--183},
  year={1988},
  publisher={Elsevier}
}