@misc{indiciae413262bbc7f6,
  title = {Geometrical-Based Navigation System Performance Assessment in the Space Service Volume Using a Multiglobal Navigation Satellite System Methodology},
  author = {Welch, Bryan W.},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20160011241},
  note = {Source identifier: 20160011241}
}