@misc{indiciae12f96af2dd57,
  title = {Computerization of the branching process.},
  author = {N Keyfitz and A Tyree},
  year = {1967},
  doi = {10.1002/bs.3830120408},
  url = {https://pubmed.ncbi.nlm.nih.gov/6035897/},
  note = {Source identifier: 6035897}
}