@misc{indiciae961b3295d546,
  title = {Cockpit napping},
  author = {Graeber, R. Curtis and Rosekind, Mark R. and Connell, Linda J. and Dinges, David F.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910043203},
  note = {Source identifier: 19910043203}
}