@misc{indiciae9932ed464107,
  title = {Simple model with facilitated dynamics for granular compaction.},
  author = {J J Brey and A Prados and B Sánchez-Rey},
  year = {1999},
  doi = {10.1103/physreve.60.5685},
  url = {https://pubmed.ncbi.nlm.nih.gov/11970463/},
  note = {Source identifier: 11970463}
}