@misc{indiciae5fc1e560fa28,
  title = {Compositional stratification in the deep mantle},
  author = {LH Kellogg and BH Hager and van der Hilst RD},
  year = {1999},
  doi = {10.1126/science.283.5409.1881},
  url = {https://pubmed.ncbi.nlm.nih.gov/10082454/},
  note = {Source identifier: 10082454}
}