@misc{indiciaeb807ad961cad,
  title = {Modular Unmanned Aerial System with Multi-Mode Propulsion},
  author = {Patterson, Michael D. and Quinlan, Jesse R. and Fredericks, William J.},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190000791},
  note = {Source identifier: 20190000791}
}