@misc{indiciae7c6782359ce6,
  title = {Map showing free-air gravity anomalies around the Cape Verde Islands},
  author = {D. W. Folger and B.J. Irwin and J.R. McCullough and R. M. Bouse and C. F. Polloni and J. E. Dodd and T.F. O’Brien},
  year = {1990},
  doi = {10.3133/mf2098a},
  url = {https://pubs.usgs.gov/publication/mf2098A},
  note = {Source identifier: mf2098A}
}