@misc{indiciae180a3510f4a9,
  title = {Enroute flight-path planning - Cooperative performance of flight crews and knowledge-based systems},
  author = {Smith, Philip J. and Mccoy, Elaine and Layton, Chuck and Galdes, Deb},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900039169},
  note = {Source identifier: 19900039169}
}