@misc{indiciaef50eec367d00,
  title = {SHAPA: An interactive software tool for protocol analysis applied to aircrew communications and workload},
  author = {James, Jeffrey M. and Sanderson, Penelope M. and Seidler, Karen S.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900016225},
  note = {Source identifier: 19900016225}
}