@misc{indiciae10b5a80467bb,
  title = {Metropolitan concentration in developing countries.},
  author = {G Petrakos and J C Brada},
  year = {1989},
  doi = {10.1111/j.1467-6435.1989.tb01274.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12282888/},
  note = {Source identifier: 12282888}
}