@misc{indiciae22024705def4,
  title = {Cooperative Upper Class E Airspace: Concept of Operations and Simulation Development for Operational Feasibility Assessment},
  author = {Hyo-sang Yoo and Jinhua Li and Jeffrey Homola and Jaewoo Jung},
  url = {https://ntrs.nasa.gov/citations/20210017271},
  note = {Source identifier: 20210017271}
}