@misc{indiciaee925b64d2326,
  title = {Diffraction by a circular aperture as a model for three-dimensional optical microscopy.},
  author = {S F Gibson and F Lanni},
  year = {1989},
  doi = {10.1364/josaa.6.001357},
  url = {https://pubmed.ncbi.nlm.nih.gov/2795290/},
  note = {Source identifier: 2795290}
}