@misc{indiciaea472b354f820,
  title = {Near-station terrain corrections for gravity data by a surface-integral technique},
  author = {M. E. Gettings},
  year = {1982},
  doi = {10.3133/ofr821045},
  url = {https://pubs.usgs.gov/publication/ofr821045},
  note = {Source identifier: ofr821045}
}