@misc{indiciaee50d5bb6c832,
  title = {Human operator response speed, frequency, and flexibility - A review, analysis and device demonstration},
  author = {Kelley, C. R. and Mitchell, M. B. and Proisin, D. J. and Wargo, M. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670026543},
  note = {Source identifier: 19670026543}
}