@misc{indiciae168aba646a4c,
  title = {Precise post-processing of GPS data: products and services from JPL},
  author = {Webb, F. H. and Zumberge, J. F.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20210002621},
  note = {Source identifier: 20210002621}
}