@misc{indiciae03de4a87bed9,
  title = {Model of human-operator response to step transitions in controlled element dynamics},
  author = {Phatak, A. V. and Weir, D. H.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670006527},
  note = {Source identifier: 19670006527}
}