@misc{indiciae2d6eecd97785,
  title = {Explaining the human demographic transition.},
  author = {D Penn},
  year = {1999},
  doi = {10.1016/s0169-5347(98)01455-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/10234245/},
  note = {Source identifier: 10234245}
}