@misc{indiciaefe79ed881d3f,
  title = {Pattern formation in flowing sand.},
  author = {GW Baxter and RP Behringer and T Fagert and GA Johnson},
  year = {1989},
  doi = {10.1103/physrevlett.62.2825},
  url = {https://pubmed.ncbi.nlm.nih.gov/10040101/},
  note = {Source identifier: 10040101}
}