@misc{indiciaeac772acf6fc5,
  title = {Human fertility in global perspective.},
  author = {D M Potts},
  year = {1971},
  doi = {10.1017/s002193200002366x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5288521/},
  note = {Source identifier: 5288521}
}