@misc{indiciaeacf0ce9b0e80,
  title = {A comparison of filtering algorithms for GPS satellite navigation application},
  author = {Tapley, B. D. and Peters, J. G. and Schutz, B. E.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790017923},
  note = {Source identifier: 19790017923}
}