@misc{indiciaec216a6a54112,
  title = {A Persistent Simulation Environment for Autonomous Systems},
  author = {Kelley, Benjamin N. and Williams, Ralph A. and Holland, Jason L and Schnarr, Otto C/ and Allen, B. Danette},
  year = {2018},
  url = {https://ntrs.nasa.gov/citations/20200002580},
  note = {Source identifier: 20200002580}
}