@misc{indiciae8b7e331120a3,
  title = {Superachromatic lens design.},
  author = {E W Marchand},
  year = {1967},
  doi = {10.1364/josa.57.000548},
  url = {https://pubmed.ncbi.nlm.nih.gov/6027839/},
  note = {Source identifier: 6027839}
}