@misc{indiciae241a3ba232b4,
  title = {Simple lens axicon.},
  author = {Anna Burvall and Katarzyna Kołacz and Zbigniew Jaroszewicz and Ari T Friberg},
  year = {2004},
  doi = {10.1364/ao.43.004838},
  url = {https://pubmed.ncbi.nlm.nih.gov/15449470/},
  note = {Source identifier: 15449470}
}