@misc{indiciaeeacd9455608c,
  title = {Diffusion in hierarchies.},
  author = {KH Hoffmann and P Sibani},
  year = {1988},
  doi = {10.1103/physreva.38.4261},
  url = {https://pubmed.ncbi.nlm.nih.gov/9900879/},
  note = {Source identifier: 9900879}
}