@misc{indiciae505e96d62c6b,
  title = {Angular-linear correlation coefficient for rhythmometry and circannually changing human birth rates at different geographic latitudes.},
  author = {E Batschelet and D Hillman and M Smolensky and F Halberg},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4776532/},
  note = {Source identifier: 4776532}
}