@misc{indiciae526719984aef,
  title = {Diffusion and mixing in gravity-driven dense granular flows.},
  author = {Jaehyuk Choi and Arshad Kudrolli and Rodolfo R Rosales and Martin Z Bazant},
  year = {2004},
  doi = {10.1103/physrevlett.92.174301},
  url = {https://pubmed.ncbi.nlm.nih.gov/15169153/},
  note = {Source identifier: 15169153}
}