@misc{indiciae271c5143325b,
  title = {Complexity, contingency, and criticality.},
  author = {P Bak and M Paczuski},
  year = {1995},
  doi = {10.1073/pnas.92.15.6689},
  url = {https://pubmed.ncbi.nlm.nih.gov/11607561/},
  note = {Source identifier: 11607561}
}