@misc{indiciae27684de7408f,
  title = {Osmium-187 enrichment in some plumes: Evidence for core-mantle interaction?},
  author = {R.J. Walker and J. W. Morgan and M.F. Horan},
  year = {1995},
  doi = {10.1126/science.269.5225.819},
  url = {https://pubs.usgs.gov/publication/70019081},
  note = {Source identifier: 70019081}
}