@misc{indiciaee111df783f8a,
  title = {Tapes-slides or lectures?},
  author = {R Macaulay},
  year = {1969},
  doi = {10.1016/s0140-6736(69)91722-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4181746/},
  note = {Source identifier: 4181746}
}