@misc{indiciaeb1d305f58d60,
  title = {Population density and wealth.},
  author = {F Orrego and J J Marengo and R Bull},
  year = {1994},
  doi = {10.1038/370092a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/8022494/},
  note = {Source identifier: 8022494}
}