@misc{indiciae9afe59a8115c,
  title = {Extrapolation numbers.},
  author = {E H PORTER},
  year = {1963},
  doi = {10.1259/0007-1285-36-425-372},
  url = {https://pubmed.ncbi.nlm.nih.gov/13985559/},
  note = {Source identifier: 13985559}
}