@misc{indiciae6e8c63133dcd,
  title = {Interregional migration in an extended input-output model.},
  author = {M Madden and A B Trigg},
  year = {1990},
  doi = {10.1177/016001769001300105},
  url = {https://pubmed.ncbi.nlm.nih.gov/12342779/},
  note = {Source identifier: 12342779}
}