@misc{indiciaeec20db981be1,
  title = {Stigmatic lenses.},
  author = {L LEWIN},
  year = {1958},
  doi = {10.1364/josa.48.0500\_1},
  url = {https://pubmed.ncbi.nlm.nih.gov/13564326/},
  note = {Source identifier: 13564326}
}