@misc{indiciae1663fd9688bf,
  title = {Airspace Concept Evaluation System (ACES), Concept Simulations using Communication, Navigation and Surveillance (CNS) System Models},
  author = {Kubat, Greg and Vandrei, Don},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20070015018},
  note = {Source identifier: 20070015018}
}