@misc{indiciae0d1fc5b9d4ef,
  title = {Audio-tape-slide teaching aids.},
  author = {R R Phillips},
  year = {1970},
  doi = {10.1111/j.1365-2133.1970.tb15087.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4097696/},
  note = {Source identifier: 4097696}
}