@misc{indiciae94f14b2c2396,
  title = {Granular materials: the Brazil nut effect--in reverse.},
  author = {Troy Shinbrot},
  year = {2004},
  doi = {10.1038/429352b},
  url = {https://pubmed.ncbi.nlm.nih.gov/15164043/},
  note = {Source identifier: 15164043}
}