@misc{indiciae5778cfbaba7c,
  title = {Discrimination step.},
  author = {E Hisdal},
  year = {1968},
  doi = {10.1364/josa.58.000985},
  url = {https://pubmed.ncbi.nlm.nih.gov/5662355/},
  note = {Source identifier: 5662355}
}