@misc{indiciae81d3ffb58e59,
  title = {A projector for colour demonstrations.},
  author = {J R TROTTER},
  year = {1960},
  doi = {10.1111/j.2044-8295.1960.tb00737.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13839489/},
  note = {Source identifier: 13839489}
}