@misc{indiciae18babced8164,
  title = {Projector slides - preparation, construction and use.},
  author = {I A Galer},
  year = {1976},
  doi = {10.1016/0003-6870(76)90056-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/15677213/},
  note = {Source identifier: 15677213}
}