@misc{indiciae0af20b976b80,
  title = {World population year.},
  author = {F W Parnell},
  year = {1974},
  doi = {10.2105/ajph.64.10.938},
  url = {https://pubmed.ncbi.nlm.nih.gov/4153536/},
  note = {Source identifier: 4153536}
}