@misc{indiciae17b61a3a0d2b,
  title = {A remote control unit for projector slide changing.},
  author = {W M Tay and W J Morgan},
  year = {1979},
  doi = {10.1111/j.1365-2591.1979.tb01046.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/95252/},
  note = {Source identifier: 95252}
}