@misc{indiciae0696cbe8bc98,
  title = {The 'intelligent' lens.},
  author = {S F Ray},
  year = {1989},
  doi = {10.3109/17453058909055085},
  url = {https://pubmed.ncbi.nlm.nih.gov/2482847/},
  note = {Source identifier: 2482847}
}