@misc{indiciae15d1547e7e6c,
  title = {Letter: SI units.},
  author = {G H Hall},
  year = {1975},
  doi = {10.1136/bmj.2.5969.502-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/1148682/},
  note = {Source identifier: 1148682}
}