@misc{indiciaeee853fccd0ac,
  title = {Safely Enabling UAS Operations in Low-Altitude Airspace},
  author = {Kopardekar, Parimal H. and Jung, Jaewoo},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20170000655},
  note = {Source identifier: 20170000655}
}