@misc{indiciae8ead77b25cf3,
  title = {The human population.},
  author = {R Freedman and B Berelson},
  year = {1974},
  doi = {10.1038/scientificamerican0974-30},
  url = {https://pubmed.ncbi.nlm.nih.gov/4845939/},
  note = {Source identifier: 4845939}
}