@misc{indiciaee0ce979f5029,
  title = {UAS Integration in the NAS: Airspace Concept Evaluation System (ACES) Simulation Studies},
  author = {Johnson, Marcus A.},
  year = {2014},
  url = {https://ntrs.nasa.gov/citations/20180007015},
  note = {Source identifier: 20180007015}
}