@article{meehan2002psysiological,
  author={Meehan, Michael and Insko, Brent and Whitton, Mary and Brooks Jr., Frederick P.},
  title={Physiological measures of presence in stressful virtual environments},
  journal={ACM Transactions on Graphics},
  volume={21},
  number={3},
  year={2002},
  pages={645--652}
}