@misc{indiciaef952557370c7,
  title = {A comprehensive system of automatic computation in magnetic and gravity interpretation},
  author = {R.G. Henderson},
  year = {1960},
  doi = {10.1190/1.1438736},
  url = {https://pubs.usgs.gov/publication/70220592},
  note = {Source identifier: 70220592}
}