@misc{indiciaea0c14212e4a9,
  title = {Instructional system approach to flight crew training.},
  author = {K B Wallis and W L Ewart and R A Kaufman},
  year = {1966},
  doi = {10.1177/001872086600800209},
  url = {https://pubmed.ncbi.nlm.nih.gov/5966169/},
  note = {Source identifier: 5966169}
}