@misc{indiciae722e82471b55,
  title = {Minimizing selective availability error on satellite and ground global positioning system measurements},
  author = {Wu, S. C. and Bertiger, W. I. and Wu, J. T.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920067900},
  note = {Source identifier: 19920067900}
}