@misc{indiciae7e9dc9c54a2e,
  title = {Urban Air Mobility Airspace Dynamic Density},
  author = {Lilly Spirkovska and Chetan S Kulkarni and Jason Watkins and Lynne Martin},
  url = {https://ntrs.nasa.gov/citations/20220006456},
  note = {Source identifier: 20220006456}
}