@misc{indiciae97f52c4aa7ac,
  title = {Flatland optics. III. Achromatic diffraction.},
  author = {A W Lohmann and A Pe'er and D Wang and A A Friesem},
  year = {2001},
  doi = {10.1364/josaa.18.002095},
  url = {https://pubmed.ncbi.nlm.nih.gov/11551040/},
  note = {Source identifier: 11551040}
}