@misc{indiciaeec061ed0e4a6,
  title = {Note on ratio estimation.},
  author = {T Künnapas},
  year = {1967},
  doi = {10.1111/j.1467-9450.1967.tb01376.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6043519/},
  note = {Source identifier: 6043519}
}