@misc{indiciae2dda4cbba6c9,
  title = {Re - Os isotopic constraints on the origin of volcanic rocks, Gorgona Island, Colombia: Os isotopic evidence for ancient heterogeneities in the mantle},
  author = {R.J. Walker and L.M. Echeverria and S.B. Shirey and M.F. Horan},
  year = {1991},
  doi = {10.1007/bf00310704},
  url = {https://pubs.usgs.gov/publication/70016678},
  note = {Source identifier: 70016678}
}