@misc{indiciae42bab6082f82,
  title = {NSD, CRE, TDF and SI units.},
  author = {P S Iyer},
  year = {1978},
  doi = {10.1259/0007-1285-51-606-473-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/656751/},
  note = {Source identifier: 656751}
}