@misc{indiciae833251c57a7a,
  title = {Autonomous satellite navigation methods using the Global Positioning Satellite System},
  author = {Murata, M. and Tapley, B. D. and Schutz, B. E.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19840055534},
  note = {Source identifier: 19840055534}
}