@misc{indiciae1a8ff7f2d915,
  title = {Reversing the Brazil nut effect.},
  author = {F Ludewig and N Vandewalle},
  year = {2005},
  doi = {10.1140/epje/e2005-00052-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/16331336/},
  note = {Source identifier: 16331336}
}