@misc{indiciaee30e7fd52f31,
  title = {Regional gravity anomalies and crustal structure in northern Colombia},
  author = {J. E. Case and W.D. MacDonald},
  year = {1973},
  doi = {10.1130/0016-7606(1973)84<2905:rgaacs>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70241869},
  note = {Source identifier: 70241869}
}