@misc{indiciae693fb1dd1ede,
  title = {Terrain corrections for borehole and tower gravity measurements},
  author = {Larry A. Beyer},
  year = {1979},
  doi = {10.3133/ofr79721},
  url = {https://pubs.usgs.gov/publication/ofr79721},
  note = {Source identifier: ofr79721}
}