@misc{indiciae14d823e4ca48,
  title = {Two million transparencies.},
  author = {F Savage and D Morley},
  year = {1980},
  doi = {10.1177/004947558001000325},
  url = {https://pubmed.ncbi.nlm.nih.gov/6156530/},
  note = {Source identifier: 6156530}
}