@misc{indiciae83e1c5996477,
  title = {New materials and methods for permanent teaching displays.},
  author = {C C Gilson},
  year = {1978},
  doi = {10.3109/17453057809153809},
  url = {https://pubmed.ncbi.nlm.nih.gov/641305/},
  note = {Source identifier: 641305}
}