@misc{indiciaed880e6816c33,
  title = {SAFE50 Reference Design Study for Large-Scale High-Density Low-Altitude UAS Operations in Urban Areas},
  author = {Ippolito, Corey A. and Krishnakumar, Kalmanje and Stepanyan, Vahram and Chakrabarty, Anjan and Baculi, Josh},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190032259},
  note = {Source identifier: 20190032259}
}