@misc{indiciae21ab31372c88,
  title = {An asynchronous pulse amplitude pulse width model of the human operator},
  author = {Bekey, G. A. and Merritt, M. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680006449},
  note = {Source identifier: 19680006449}
}