@misc{indiciae2a24a2f6bac5,
  title = {Estimating mean lifetime.},
  author = {John Bongaarts and Griffith Feeney},
  year = {2003},
  doi = {10.1073/pnas.2035060100},
  url = {https://pubmed.ncbi.nlm.nih.gov/14506294/},
  note = {Source identifier: 14506294}
}