@misc{indiciae349a607234bf,
  title = {Improved Treatment of Global Positioning System Force Parameters in Precise Orbit Determination Applications},
  author = {Y Vigue and S M Lichten and R J Muellerschoen and G Blewitt and M B Heflin},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940009898},
  note = {Source identifier: 19940009898}
}