@misc{indiciae4cf316089820,
  title = {A numerical reference marker for the Rank thermographic system.},
  author = {C H Jones and D M Whitaker},
  year = {1972},
  doi = {10.1259/0007-1285-45-532-311},
  url = {https://pubmed.ncbi.nlm.nih.gov/5017722/},
  note = {Source identifier: 5017722}
}