@misc{indiciae1eeff6e167e6,
  title = {A ''critical'' tracking task for manual control research.},
  author = {Jex, H. R. and Mc Donnell, J. D. and Phatak, A. V.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670041442},
  note = {Source identifier: 19670041442}
}