@misc{indiciaea1f5f1058c11,
  title = {A look at the benefits of post-processed differential GPS},
  author = {J. T. Gann},
  year = {1993},
  doi = {10.3133/ofr93196},
  url = {https://pubs.usgs.gov/publication/ofr93196},
  note = {Source identifier: ofr93196}
}