@misc{indiciae29aa8abde023,
  title = {Pretransitional population control and equilibrium.},
  author = {John Caldwell and Bruce Caldwell},
  year = {2003},
  doi = {10.1080/0032472032000097100},
  url = {https://pubmed.ncbi.nlm.nih.gov/12888414/},
  note = {Source identifier: 12888414}
}