@misc{indiciae1a41071a5fbc,
  title = {Mexican waves in an excitable medium.},
  author = {I Farkas and D Helbing and T Vicsek},
  year = {2002},
  doi = {10.1038/419131a},
  url = {https://pubmed.ncbi.nlm.nih.gov/12226653/},
  note = {Source identifier: 12226653}
}