@misc{indiciae013ddf7551af,
  title = {Oxygen, hydrogen, and helium isotopes for investigating groundwater systems of the Cape Verde Islands, West Africa},
  author = {V.M. Heilweil and K.D. Solomon and S. B. Gingerich and Ingrid M. Verstraeten},
  year = {2009},
  doi = {10.1007/s10040-009-0434-2},
  url = {https://pubs.usgs.gov/publication/70036719},
  note = {Source identifier: 70036719}
}