@misc{indiciaef6bb3af120c1,
  title = {Isaac Newton invented the frequency code.},
  author = {T Struzik},
  year = {1988},
  doi = {10.3109/00207458808991605},
  url = {https://pubmed.ncbi.nlm.nih.gov/3061958/},
  note = {Source identifier: 3061958}
}