@misc{indiciaec4029234bfd9,
  title = {A sharp and flat section of the core-mantle boundary},
  author = {J.E. Vidale and H.M. Benz},
  year = {1992},
  doi = {10.1038/359627a0},
  url = {https://pubs.usgs.gov/publication/70017117},
  note = {Source identifier: 70017117}
}