@misc{indiciae83fcf3599433,
  title = {Quantification of human performance circadian rhythms.},
  author = {A Freivalds and D B Chaffin and G D Langolf},
  year = {1983},
  doi = {10.1080/15298668391405481},
  url = {https://pubmed.ncbi.nlm.nih.gov/6637808/},
  note = {Source identifier: 6637808}
}