@misc{indiciae512271a07de6,
  title = {Abelian sandpile model.},
  author = {HF Chau},
  year = {1993},
  doi = {10.1103/physreve.47.r3815},
  url = {https://pubmed.ncbi.nlm.nih.gov/9960556/},
  note = {Source identifier: 9960556}
}