@misc{indiciae269496a8ddbd,
  title = {SIMPLIFICATION OF MAPPINGS.},
  author = {G T Whyburn},
  year = {1963},
  doi = {10.1073/pnas.50.3.431},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578542/},
  note = {Source identifier: 16578542}
}