@misc{indiciaef310a974a7a2,
  title = {Punch card data processing in haematology.},
  author = {M G Nelson},
  year = {1969},
  doi = {10.1136/jcp.22.2.233},
  url = {https://pubmed.ncbi.nlm.nih.gov/5776558/},
  note = {Source identifier: 5776558}
}