@misc{indiciae92a3e420a9db,
  title = {A simple projection apparatus.},
  author = {A D MORGAN and H A SISSONS},
  year = {1955},
  doi = {10.1016/s0140-6736(55)93382-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/14382606/},
  note = {Source identifier: 14382606}
}